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Worksheets

Excretion in Humans

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

A tube that carries urine from the kidney to the bladder is....

a)

kidney

b)

urethra

c)

renal

d)

ureter

2.

A tube that carries urine from the bladder to the outside of the body....

a)

ureter

b)

renal

c)

urethra

d)

kidney

3.

A waste substance that is excreted by the kidneys, dissolved in water is.......

a)

ureter

b)

urea

c)

urethra

d)

urin

4.

An organ that filters the blood and removes urea from it, is......

a)

ureter

b)

bladder

c)

urethra

d)

kidney

5.

A word that means ‘to do with the kidneys’ is.....

a)

liver

b)

bladder

c)

urethra

d)

renal

6.

The removal of waste substances produced in the body cells is....

a)

Metabolism

b)

Respiration

c)

Excretion

d)

Absorption

7.

A liquid containing urea dissolved in water is.....

a)

Blood

b)

Urin

c)

Saliva

d)

Plasma

8.

Urea is a waste substance that is made in the (a)  

9.

The human excretory system is also known as the (a)   system.

10.

The removal of waste products that have been part of the body is called (a)  

11.

Urine leaves the body through the (a)   .

12.

Where is urea formed?

a)

kidneys

b)

liver

c)

muscles

d)

heart

13.

What is an example of excretion in mammals?

a)

the release of hormones from glands

b)

the release of saliva into the mouth

c)

the removal of undigested food through the anus

d)

the removal of urea by the kidneys

14.

The answer is....

a)

A

b)

B

c)

C

d)

D

15.

The answer is....

a)

A

b)

B

c)

C

d)

D

16.

The answer is....

a)

A

b)

B

c)

C

d)

D

17.

The answer is....

a)

A

b)

B

c)

C

d)

D

18.

The answer is.....

a)

A

b)

B

c)

C

d)

D

19.

The answer is....

a)

A

b)

B

c)

C

d)

D

20.
a)

A

b)

B

c)

C

d)

D