3.3.4 Human Digestive System 2 Follow-Me – iQuiz Q. Name a structure in the human digestive system, other than teeth, which is involved in mechanical digestion. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Describe two functions of bile in relation to digestion. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Where is lipase secreted? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. What are symbiotic bacteria? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Name the part of the digestive system in which the products of digestion absorbed into the blood. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Explain how the ileum (small intestine) is adapted for the absorption of the products of digestion. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. What is meant by the term digestion? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Where in the human body is the liver located in relation to the stomach? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Name a process involved in the passage of the products of digestion into the blood. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. A person who has suffered from constipation may be advised to increase the amount of wholegrain cereal in her/his diet. Why? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Why is digestion necessary? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. From what organ does the bile duct leave? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. From which part of the alimentary canal does food arrive into the duodenum? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Name the part of the digestive system in which water is absorbed into the blood. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Where does lipase act? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Give two activities of symbiotic bacteria in the human digestive system. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. State one digestive function of the pancreas. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. What process results from the contraction of the muscles in the small intestine? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Indicate which of the following most accurately represents the pH of the contents of the small intestine. Acidic. Neutral. Alkaline. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Name two glands that pass their secretions into the small intestine. 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. What is the approximate pH of the site of action of lipase? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Proteins are digested to simpler substances. What are these simpler substances called? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. In which organ is food churned into chyme? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Q. Which teeth grind food into smaller pieces? 5–7 Colon Molars 7–9 Diffusion; Passive transport Pancreas; Duodenum Above and to the right Digestion; Production of vitamins; Benefit immune system Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Amino acids Gall bladder Solubility; Absorption; Transport Bacteria that live in or on another organism involving benefit Ileum; Villi Stomach Breakdown of food Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine CONGRATULATIONS You’re Brilliant Incorrect Please CLICK on THIS BOX to Try Again
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