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Excretory System

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

What is the purpose of the excretory system?

a)

filters, collects, and removes excess fluids & wastes from the bloodstream.

b)

Breakdown food into energy that the body can use.

c)

Produce offspring.

d)

Produce hormones for growth and regulation.

2.

Select all the organs that are part of the urinary system.

a)

Ureters

b)

Bladder

c)

Urethra

d)

Kidneys

e)

Stomach

3.

Select all of the body systems below that excrete some kind of waste.

a)

Respiratory

b)

Digestive

c)

Urinary

d)

Integumentary

4.

How does the respiratory system excrete waste?

a)

Breathing out carbon dioxide

b)

Breathing in carbon dioxide

c)

Breathing in oxygen

5.

How does the integumentary (skin) system excrete waste?

a)

Sweating - releases salts and minerals through skin

b)

Sweating - captures salts and minerals in the skin

6.

How does the digestive system excrete waste? (Hint: there are two ways, make sure you select BOTH).

a)

liver filters out toxins

b)

large intestines removes solid waste (feces)

c)

removes urea and ammonia through the urine

7.

How does the urinary system remove waste?

a)

removes protein and excess water from the blood.

b)

liver filters out toxins; large intestines removes solid waste.

c)

removes carbon dioxide.

d)

removes water and salt through sweat.

8.

This system removes protein and excess water from the blood.

a)

urinary system

b)

digestive system

c)

respiratory system

d)

integumentary system

9.

This system includes the liver that filters out toxins and the large intestines removes solid waste.

a)

urinary system

b)

digestive system

c)

respiratory system

d)

integumentary system

10.

This system removes carbon dioxide.

a)

urinary system

b)

digestive system

c)

respiratory system

d)

integumentary system

11.

This system removes water and salt through sweat.

a)

urinary system

b)

digestive system

c)

respiratory system

d)

integumentary system

12.

What waste products are removed by the kidneys?

a)

urea and ammonia

b)

oxygen and carbon dioxide

c)

carbon dioxide and urea

d)

ammonia and oxygen

13.

These organs are responsible for filtering the blood, removing toxic waste from blood, and removing excess water.

a)

kidneys

b)

ureters

c)

bladder

d)

urethra

14.

These are 8-10 inch tubes that carry urine to the bladder.

a)

kidneys

b)

ureters

c)

bladder

d)

urethra

15.

This is a muscular sac that stores urine.

a)

kidneys

b)

ureters

c)

bladder

d)

urethra

16.

This tube carries urine to outside of the body.

a)

kidneys

b)

ureters

c)

bladder

d)

urethra

17.

The kidneys...

a)

Filters the blood, removes toxic waste from blood, removes excess water.

b)

8-10 inch tubes that carry urine to the bladder.

c)

Muscular sac that stores urine.

d)

Carries urine to outside of the body.

18.

The ureters...

a)

Filters the blood, removes toxic waste from blood, removes excess water.

b)

8-10 inch tubes that carry urine to the bladder.

c)

Muscular sac that stores urine.

d)

Carries urine to outside of the body.

19.

The bladder...

a)

Filters the blood, removes toxic waste from blood, removes excess water.

b)

8-10 inch tubes that carry urine to the bladder.

c)

Muscular sac that stores urine.

d)

Carries urine to outside of the body.

20.

The urethra...

a)

Filters the blood, removes toxic waste from blood, removes excess water.

b)

8-10 inch tubes that carry urine to the bladder.

c)

Muscular sac that stores urine.

d)

Carries urine to outside of the body.