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Excretory System Review

Biology

6th - 7th Grade

Used 11+ times

Excretory System Review
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the main function of the excretory system?

to collect and remove wastes from the body
to strengthen skeletal muscles
to protect the nervous system
to bring oxygen to body cells

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which organ of the excretory system stores urine until the body is ready to eliminate it?

ureters
urethra
urinary bladder
urea

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Tiny filtering structures where urine is produced in the kidneys are called

ureters.
alveoli.
nephrons.
bronchi.

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Under normal conditions, which of the following substances is found in urine?

blood cells
protein
glucose
urea

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What function do the kidneys perform?

eliminate carbon dioxide
supply oxygen to body cells
remove urea and excess water
play a role in gas exchange

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The process of removal of the body’s wastes is called

gas exchange.
respiration.
excretion.
filtration.

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Organs of excretion that maintain homeostasis include the kidneys, lungs, skin, and

bronchus.
diaphragm.
bladder.
liver.

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