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.