Biology Chapter 30 Study Guide: Homeostasis, Digestion, and Excretion Study pages 862-883, 886-887 Vocabulary Cells Tissues Epithelial tissue Connective tissue Nervous tissue Muscle tissue Organs Organ systems Homeostasis Feedback inhibition Calorie Nutrients Water Carbohydrates Fats Proteins Vitamins Minerals Nutrition Digestive system Digestion Mechanical digestion Chemical digestion Absorption Elimination Mouth Teeth Saliva Amylase Pharynx Bolus Epiglottis Esophagus Peristalsis Cardiac sphincter Stomach Pyloric sphincter Pepsin Chyme Duodenum Small intestine Pancreas Liver Gallbladder Bile Villi Microvilli Large intestine Colon Rectum Anus Excretion Skin Lungs Kidneys Ureters Urinary bladder Urethra Antidiuretic hormone (ADH) Kidney stones Dialysis Concepts 1. List the levels of organization in the body from smallest to largest. 2. List and describe the four types of tissues. 3. Explain why it is important for your body to maintain homeostasis. 4. Describe a feedback inhibition loop. 5. List and describe the six major categories of nutrients, and know their basic functions in the body. 6. Describe the three different pathways of carbohydrates in your body. 7. List the fat-soluble vitamins, and explain what it means that they are fat-soluble. 8. Explain what a “balanced diet” means. 9. Know the pathway that food takes through the digestive system. 10. Know the function of each of the organs of the digestive system. 11. Explain why the stomach performs both mechanical and chemical digestion. 12. Explain why the small intestine performs both digestion and absorption. 13. Know where carbohydrates, proteins, and fats are broken down in the digestive system. 14. Know the functions of the enzymes amylase and pepsin. 15. Explain how the liver, bile, the gallbladder, and the small intestine work together. 16. Describe the structure of the villi and microvilli in the small intestine. 17. List the organs involved in excretion. 18. Explain how antidiuretic hormone affects urine creation. 19. List the three major kidney disorders, and the two methods for treating them.