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Name:______________________________
Binder Pg. ____
Chapter 24 Section 2: The Urinary System
_____ 1. What is excretion?
a. the process of digesting food
b. the process of breathing
c. the process of removing waste from the body
d. the process of adding nutrients to the body
2. What is the urinary system?
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3. What are two examples of wastes that the urinary system removes from the blood?
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_____ 4. How many kidneys does a person normally have?
a. one
b. two
c. three
d. four
_____ 5. Which of the following is the job of the nephrons?
a. They remove wastes from the blood.
b. They produce urea.
c. They produce urine.
d. They clean the kidneys.
6. What do the kidneys do?
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7. What is urea?
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_____ 8. Why do humans sweat?
a. to cleanse the skin
b. to cool the body
c. to produce saliva
d. to control thirst
9. Why does your body need to excrete as much water as it brings in?
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10. What does ADH do?
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Name:______________________________
11. What effect does a diuretic have on your body?
Binder Pg. ____
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_____ 12. Kidney stones are made of which of the following substances?
a. viruses
b. waste materials
c. ADH
d. bacteria
13. How can bacteria get into the bladder and ureters?
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14. What can happen if the nephrons are damaged?
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Chapter 25 Section 3: The Endocrine System
HORMONES AS CHEMICAL MESSENGERS
Match the correct description with the correct term. Write the letter in the space provided.
_____ 1. controls body function using chemicals made by endocrine glands
_____ 2. is a group of cells that make special chemicals for the body
_____ 3. is a substance made in one cell or tissue that causes a change in another
cell or tissue
4. What chemical messenger produces the “fight or flight” response?
a. gland
b. endocrine system
c. hormone
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5. The sum of all the chemical processes that take place in an organism is
______________________.
6. The thymus gland produces ______________________, which help destroy cells that invade your
body.
Name:______________________________
Binder Pg. ____
Match the correct description with the correct term. Write the letter in the space provided.
_____ 7. helps your body fight disease
_____ 8. increases the rate at which you use energy
_____ 9. regulates blood-sugar levels
_____ 10. produce hormones involved in reproduction in males
_____ 11. produce hormones involved in reproduction in females
_____ 12. helps the body respond to danger
_____ 13. regulates calcium levels
_____ 14. secretes hormones that affect other glands and organs
15. How are endocrine glands controlled?
a. thyroid
b. adrenal
c. testes
d. pituitary
e. ovaries
f. pancreas
g. parathyroid
h. thymus
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16. Insulin is the hormone in the ______________________ mechanism that controls the level of glucose
in the blood.
Place the following statements in the correct order from 1 to 5 to explain the feedback control that regulates
blood sugar. Write the appropriate number in the space provided.
_____ 17. Glucose is absorbed into the bloodstream by the small intestine.
_____ 18. Blood-glucose level returns to normal, and the pancreas stops releasing insulin.
_____ 19. The pancreas releases insulin into the blood.
_____ 20. As blood sugar falls below normal, the liver breaks down stored glycogen and releases glucose
into the blood.
_____ 21. Insulin signals the liver to take in glucose, which is converted to glycogen and stored for future
use.
HORMONE IMBALANCES
22. What condition is caused when the body does not make enough insulin?
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23. How can a person with diabetes keep the glucose in the blood at a safe level?
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24. What happens if a child’s pituitary gland doesn’t make enough growth hormone?
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Name:______________________________
Binder Pg. ____