• Which of the following correctly pairs the structure and function of the bladder?
• A. a pair of tubes; waste transport
• B. a muscular sac; storage of liquid waste
• C. a network of blood vessels; waste elimination
• D. a thin tube; filtration of waste from the blood

• Which of the following correctly pairs the structure and function of the bladder?
• A. a pair of tubes; waste transport
• B. a muscular sac; storage of liquid waste
• C. a network of blood vessels; waste elimination
• D. a thin tube; filtration of waste from the blood

• When he eats, Eli chews his food carefully. As his teeth mash and crush the food, enzymes in his saliva break the food down into smaller molecules. What function is carried out by his saliva?
• A. It is performing peristalsis.
• B. It is chemically digesting the food.
• C. It is mechanically digesting the food.
• D. It is producing bile to break down fats.

• When he eats, Eli chews his food carefully. As his teeth mash and crush the food, enzymes in his saliva break the food down into smaller molecules. What function is carried out by his saliva?
• A. It is performing peristalsis.
• B. It is chemically digesting the food.
• C. It is mechanically digesting the food.
• D. It is producing bile to break down fats.

• What is the main function of the excretory system?
• A. to remove waste from the body
• B. to regulate and control other body systems
• C. to obtain oxygen and transport it to all tissues
• D. to break down nutrients into smaller molecules

• What is the main function of the excretory system?
• A. to remove waste from the body
• B. to regulate and control other body systems
• C. to obtain oxygen and transport it to all tissues
• D. to break down nutrients into smaller molecules

• Which of the following best explains an interaction between the digestive system and the respiratory system?
• A.
To use the energy in food broken down by the digestive system, the body needs oxygen obtained by the respiratory system.
• B.
The main function of the respiratory system is to control, coordinate, and regulate most of the functions of the digestive system.
• C.
Coordination between the respiratory and digestive systems is necessary because the digestive system obtains oxygen needed by the respiratory system.
• D.
The digestive system obtains nutrients from the food that is eaten, and the respiratory system transports the nutrients to the brain where they are needed.

• Which of the following best explains an interaction between the digestive system and the respiratory system?
• A.
To use the energy in food broken down by the digestive system, the body needs oxygen obtained by the respiratory
system.
• B.
The main function of the respiratory system is to control, coordinate, and regulate most of the functions of the digestive system.
• C.
Coordination between the respiratory and digestive systems is necessary because the digestive system obtains oxygen needed by the respiratory system.
• D.
The digestive system obtains nutrients from the food that is eaten, and the respiratory system transports the nutrients to the brain where they are needed.

• Which of the following sentences best describes the esophagus?
• A. It produces bile that helps the digestive system break down fats.
• B. It is a muscular tube that moves food from the mouth to the stomach.
• C. It releases enzymes into the small intestine that aid in chemical digestion.
• D. It is a muscular bag that churns food and produces acid and enzymes for chemical digestion.

• Which of the following sentences best describes the esophagus?
• A. It produces bile that helps the digestive system break down fats.
• B. It is a muscular tube that moves food from the mouth to the stomach.
• C. It releases enzymes into the small intestine that aid in chemical digestion.
• D. It is a muscular bag that churns food and produces acid and enzymes for chemical digestion.

• Which of the following is a correct statement about the role of the kidney in homeostasis?
• A. The kidney helps to keep smooth muscle contracting efficiently.
• B. The kidney filters wastes, such as sodium, from the blood.
• C. The kidney stores bile, which breaks down fats in the intestine.
• D. The kidney works with the endocrine system to help the body react to stimuli that occur outside the body.

• Which of the following is a correct statement about the role of the kidney in homeostasis?
• A. The kidney helps to keep smooth muscle contracting efficiently.
• B. The kidney filters wastes, such as sodium, from the blood.
• C. The kidney stores bile, which breaks down fats in the intestine.
• D. The kidney works with the endocrine system to help the body react to stimuli that occur outside the body.

• Each organ of the digestive system plays an important role in food digestion. What is one role of the liver?
• A. The liver is responsible for most mechanical digestion that occurs.
• B. The liver produces bile, which helps break down fats into small droplets.
• C. The liver transports food through the digestive tract through peristalsis.
• D. The liver absorbs water from digested material before it moves to the rectum.

• Each organ of the digestive system plays an important role in food digestion. What is one role of the liver?
• A. The liver is responsible for most mechanical digestion that occurs.
• B. The liver produces bile, which helps break down fats into small droplets.
• C. The liver transports food through the digestive tract through peristalsis.
• D. The liver absorbs water from digested material before it moves to the rectum.

• Which term describes the type of digestion that results from chewing and crushing food into smaller pieces?
• A. absorption
• B. peristalsis
• C. chemical digestion
• D. mechanical digestion

• Which term describes the type of digestion that results from chewing and crushing food into smaller pieces?
• A. absorption
• B. peristalsis
• C. chemical digestion
• D. mechanical digestion

• Which list correctly describes the order in which liquid waste moves through structures of the excretory system before it exits the body?
• A. bladder, urethra, kidneys, ureters
• B. kidneys, ureters, bladder, urethra
• C. kidneys, ureters, nephrons, urethra
• D. kidneys, urethra, glomerulus, ureters

• Which list correctly describes the order in which liquid waste moves through structures of the excretory system before it exits the body?
• A. bladder, urethra, kidneys, ureters
• B. kidneys, ureters, bladder, urethra
• C. kidneys, ureters, nephrons, urethra
• D. kidneys, urethra, glomerulus, ureters

• Each organ of the digestive system plays an important role in food digestion. What would most likely result if a person’s liver does not produce enough bile?
• A. Mechanical digestion will not happen as much as it should.
• B. Waste will not be stored for a long enough time before it is eliminated.
• C. Food will not be pushed along through the digestive tract as fast as it should.
• D. The fat in the food a person eats will not be broken down and absorbed as it should.

• Each organ of the digestive system plays an important role in food digestion. What would most likely result if a person’s liver does not produce enough bile?
• A. Mechanical digestion will not happen as much as it should.
• B. Waste will not be stored for a long enough time before it is eliminated.
• C. Food will not be pushed along through the digestive tract as fast as it should.
• D. The fat in the food a person eats will not be broken down and absorbed as it should.

• A ureter carries liquid waste between which structures?
• A. a kidney and the bladder
• B. a nephron and a kidney
• C. a glomerulus and a nephron
• D. the bladder and the outside of the body

• A ureter carries liquid waste between which structures?
• A. a kidney and the bladder
• B. a nephron and a kidney
• C. a glomerulus and a nephron
• D. the bladder and the outside of the body

A concept map will show
A. Ideas and their relationships with each other
B. New ideas and how they relate to each other
C. Explanation of how ideas are developed
D. None of the above

A concept map will show
A. Ideas and their relationships with each other
B. New ideas and how they relate to each other
C. Explanation of how ideas are developed
D. None of the above