1. Digestion, Respiration, and Excretion
Chapter 14 Test
Study Guide

2. Vocabulary Nutrient Enzyme Peristalsis Chyme Villi Amino acid
Carbohydrate
Vitamin
Mineral
Saliva
Proteins

3. Organs and Parts Epiglottis Anus Esophagus Salivary glands Larynx
Trachea
Bronchi
Alveoli
Nephron
Ureter
Bladder
Pharynx
Urethra
Large intestine
Small intestine
Liver
Stomach
Mouth
Pancreas

4. Concepts Chemical digestion Mechanical digestion Cellular respiration
Dialysis
Asthma
Bronchitis
Emphysema
Homeostasis

5. More Concepts What can happen when urinary organs don’t work?
What can trigger asthma attacks?
What ingredient in cigarette smoke contributes significantly to lung cancer?
What are the main excretory organs?
What role do bacteria have in the large intestine?
What controls your breathing rate?

6. Nutrition
What purpose do “nutritional facts” on packages of food serve?
What ingredient in foods adds to a consumer’s cholesterol level?
What nutrients help build bones and teeth?
What nutrients in foods give you
lots of energy?

7. Essay What are enzymes and how do they aid in digestion?
Explain how oxygen and carbon dioxide are exchanged in the lungs.
Name the 6 types of nutrients and name an example food of each.