B1.2.2 - Gas Exchange

Question 1

Identify the missing label.

Answer 1

Question 2

Which gas do you breath in?

Answer 2

Oxygen

Question 3

Identify the missing label.

Answer 3

Question 4

What is the function of the ribcage?

Answer 4

To protect the heart and lungs

Question 5

When air reaches the alveoli oxygen moves into the capillarise via the process of…

Answer 5

DIFFUSION

Question 6

What is the name of the red pigment found in red blood cells that can bind to oxygen?

Answer 6

Haemoglobin

Question 7

Which gas do you breathe out?

Answer 7

Carbon Dioxide (CO₂)

Question 8

The process of breathing in oxygen and breathing out carbon dioxide is called…

Answer 8

gas exchange

Question 9

List the order of the parts of the lungs as air moves through them during inhalation.

Answer 9

Nose/Mouth

Trachea

Bronchi

Bronchioles

Alveoli

Capillaries

Blood

Question 10

Identify the missing label.

Answer 10

Question 11

Identify the missing label.

Answer 11

Question 12

Identify the missing label.

Answer 12

Question 13

Identify the missing label.

Answer 13

Question 14

In which organ does gas exchange occur in the body?

Answer 14

Lungs

Question 15

List 3 adaptations of the alveoli that increases the speed of gas exchange

Answer 15

Millions of alveoli provide a large surface area for gases to diffuse

Thin walls mean gases do not have to diffuse far into/out of blood.

Many capillaries mean more gas can diffuse into blood