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Worksheets

8.1 Revision

Total questions: 25

Worksheet time: 34mins

Name
Class
Date
1.
The basic unit of structure and function in the human body is the....
a)
organ
b)
organ system
c)
cell
d)
tissue
2.
A group of similar cells that come together to perform a specific function is a/an
a)
organ
b)
organism
c)
organ system
d)
tissue
3.
Tissue that works together to perform a function
a)
organ
b)
cell
c)
organ system
d)
organism
4.

What do we take in when we inhale?

a)

carbon dioxide

b)

oxygen

c)

lungs

5.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
6.

Why is the left lung slightly smaller than the right lung ?

a)

to give space for the heart

b)

to breathe easily

c)

to give space for the stomach

d)

to swallow easily

7.

The other name for trachea is ....

a)

food pipe

b)

wind pipe

c)

lung

d)

heart

8.

What letter points to the lung?

a)

A

b)

B

c)

C

d)

D

9.

What letter points to the trachea?

a)

C

b)

B

c)

E

d)

D

10.

What letter points to the nose?

a)

A

b)

B

c)

C

d)

D

11.

What letter points to the Bronchi?

a)

C

b)

D

c)

E

d)

F

12.
What are the main organs of gas exchange in the respiratory system?
a)
diapragm
b)
lungs
c)
trachea
d)
bronchi
13.

What do we let out when we exhale?

a)

oxygen

b)

Carbon dioxide

c)

lungs

14.

The respiratory system is made up of ___

a)

The heart, blood, trachea and bronchi

b)

The brain, muscles and lungs

c)

The nostrils, trachea, bronchi and lungs

15.

Which animals breathe using gills?

a)
b)
c)
d)
16.

What structure is labeled 6?

a)

Lungs

b)

Nose

c)

Alveoli

d)

Bronchi

e)

Diaphragm

17.

Which 2 body systems function together to move oxygen throughout the body?

a)

circulatory and

digestive

b)

digestive and nervous

c)

nervous and skeletal

d)

respiratory and circulatory

18.

Blood vessels that carry blood away from the heart

a)

circulatory system

b)

arteries

c)

veins

d)

capillaries

19.

Vessels that carry blood back to the heart

a)

circulatory system

b)

arteries

c)

veins

d)

capillaries

20.

The blood vessels, heart, and blood

a)

circulatory system

b)

arteries

c)

vessels

d)

capillaries

21.

Your heart beats slower when you run.

a)

True

b)

False

22.

What is the function of the Circulatory System?

a)

digests food and absorbs nutrients in the body

b)

removes the waste products from the body

c)

circulates blood to different parts of the body

d)

controls movement of various parts of the body

23.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

24.

What does your heart do?

a)

pumps blood through your body

b)

protects your body

c)

helps your exercize

25.

What is the circulatory system made up of?

a)

Lungs, blood, blood vessels

b)

Liver, kidneys, and stomach

c)

Heart, Blood Vessels, and Blood