1. Digestive and Excretory Systems Review Game
Quiz Tomorrow – Ch 48
Format:
16 M/C
7 Completion (w/word bank)
2 Diagrams (digestive system & excretory systems)
1 Graphical Analysis Question
Study your note packet and worksheets for this chapter

2. What system is responsible for the mechanical and chemical breakdown of food, absorption of nutrients & removal of solid wastes?
Digestive

3. What system is responsible for the removal of metabolic wastes and helps to maintain osmotic balance?
Excretory

4. What is a general term for the substances that provide the body with energy and materials for growth, maintenance and repair?
Nutrients

5. Which nutrient serves as your body’s primary energy source?
Carbohydrates

6. Which nutrient is used to create cell membranes?
Lipids

7. What do you call the muscular, wavelike contractions that push food through the digestive system?
peristalsis

8. Hydrochloric acid and this substance begin digestion of protein in the stomach:
pepsin

9. Salivary glands in the mouth produce an enzyme that begins the digestion of what nutrient?
Carbohydrates

10. What substance breaks large fat globules into smaller droplets?
Bile

11. Bile is made in the ______ and stored in the ______?
Liver, gall bladder

12. Which part of the digestive system does most of the absorption of nutrients take place?
Small intestines

13. What two structures found in the lining of the small intestine increase the rate of nutrient absorption?
Villi and microvilli

14. Which structures are A & B?
A: liver
B: pancreas E A F C B G D

15. Which structures are C & D?
C: gall bladder
D: small intestine E A F C B G D

16. Which structures are E , F & G?
E: esophagus
F: stomach
G: large intestine E A F C B G D

17. What is another name for the large intestine?
colon

18. What do you call chewed moistened food when it is in the esophagus?
bolus

19. What do you call the mixture of food, acid and enzymes in the stomach?
chyme

20. What are the organs of excretion?
Lungs, skin, kidneys

21. Which excretory organ maintains homeostasis by removing urea excess H20 and other wastes from the blood?
kidneys

22. What are the three (3) stages of urine formation (in order)?
1 – filtration
2 – reabsorption
3 - secretion

23. What is the basic functional unit of the kidney?
A nephron

24. Which of the following substances are reabsorbed and which remain in the nephron to be removed as part of urine? Salt ions, water, urea, glucose
Salt ions – reabsorbed
Water – reabsorbed
Urea – removed
Glucose - reabsorbed

25. Label the diagram below:
A - Kidney
B – Ureter
C – Urinary Bladder
D - Urethra A B C D

26. A – Small Intestines B – Mouth C - Stomach
Where does digestion of the following nutrients begin? A – Lipids B – Carbs C - Proteins
A – Small Intestines
B – Mouth
C - Stomach

27. A – Small Intestines B – Small Intestines C – Small Intestines
Where does digestion of the following nutrients end? A – Lipids B – Carbs C - Proteins
A – Small Intestines
B – Small Intestines
C – Small Intestines

28. What structures carry urine from the kidneys to the bladder?
ureters

29. What structure carries urine from the bladder out of the body?
urethra