Breathing and Lungs Quiz


Breathing and Lungs QuizVersion en ligne Breathing basics par Yassmin Soliman Eldafrawy 1 What gas do we take into our body when we breathe in? a Hydrogen b Carbon dioxide c Oxygen d Nitrogen 2 When comparing the air we breathe in and the air we breathe out, which gas increases in the air we breathe out? a Carbon dioxide b Hydrogen c Nitrogen d Oxygen 3 Which statements correctly explain breathing? Choose all correct answers from below. a B and D b None of the above c C d A 4 What is the organ in our chest called that exchanges oxygen and carbon dioxide? a Alveoli b Heart c Diaphragm d Lungs 5 What is the result when limewater is exposed to breathed-out air? a It remains unchanged b It disappears c It turns blue d It turns milky white 6 Which statement correctly explains gas exchange in the lungs? a It stops gas exchange completely b It lets out oxygen from the blood into the air c It takes in oxygen from the air into the blood d It takes in carbon dioxide from the air into the blood 7 What carries the oxygen taken in by the lungs to the whole body? a Bones b Muscles c Blood d Lymph

1

What gas do we take into our body when we breathe in?

a

Hydrogen

b

Carbon dioxide

c

Oxygen

d

Nitrogen

2

When comparing the air we breathe in and the air we breathe out, which gas increases in the air we breathe out?

a

Carbon dioxide

b

Hydrogen

c

Nitrogen

d

Oxygen

3

Which statements correctly explain breathing? Choose all correct answers from below.

a

B and D

b

None of the above

c

C

d

A

4

What is the organ in our chest called that exchanges oxygen and carbon dioxide?

a

Alveoli

b

Heart

c

Diaphragm

d

Lungs

5

What is the result when limewater is exposed to breathed-out air?

a

It remains unchanged

b

It disappears

c

It turns blue

d

It turns milky white

6

Which statement correctly explains gas exchange in the lungs?

a

It stops gas exchange completely

b

It lets out oxygen from the blood into the air

c

It takes in oxygen from the air into the blood

d

It takes in carbon dioxide from the air into the blood

7

What carries the oxygen taken in by the lungs to the whole body?

a

Bones

b

Muscles

c

Blood

d

Lymph

Breathing and Lungs QuizVersion en ligne