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The excretory system

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

which organ belong to the excretory system(select 2)

a)

lung

b)

the brain

c)

the heart

d)

the kidney

2.

lung, kidney, skin, liver and intestines are excretory organs they remove the waste from our body by filtering the blood

a)

true

b)

false

3.

Homeostasis has to be maintain, it's a stable balance of our body which keep us alive

a)

true

b)

false

4.

Select the good order from the formation of the urine until its removal

a)

kidney, bladder, ureters and urethra

b)

bladder, kidney, ureters and urethra

c)

kidney, ureters, bladder and urethra

5.

The urinary system is the most important one from the 4 excretory systems

a)

true

b)

false

6.

Inside of the kidney we found millions of little tubes called Nephron

a)

true

b)

false

7.

Nephrons are the functional unit of the kidney. This is where the blood is going to be filtered and the waste is removed. The urine is formed.

a)

True

b)

False

8.

4 steps during urine formation:

a)

ultrafiltration, excretion, reabsorption and secretion

b)

ultrafiltration, reabsorption, excretion and secretion

c)

ultrafiltration, reabsorption, secretion and excretion

9.

If you are healthy and your kidney works well, you should never find in your urine

a)

urea

b)

blood

c)

water

d)

sugar

10.

Give the name of an urinary disorder (one only)

4 lines