Breathing Quiz (SDL)

Breathing is important to us because it helps us ____.

• take in both carbon dioxide and oxygen.

• remove both carbon dioxide and oxygen.

• take in oxygen and remove carbon dioxide.

• remove oxygen and take in carbon dioxide.

Name the muscle (in red) shown in the diagram.

• Diaphragm

• Lung

• Ribcage

• Stomach

What does the diaphragm do?

• Protects the lungs and heart

• Brings air from the nose to the lungs

• Causes the ribs to move up and down

• Causes the lungs to change in volume

Which part of the body helps to protect the lungs?

Which organ(s) does not belong to the respiratory system? (You can choose one or more)

• Heart

• Bronchi

• Stomach

• Windpipe

• Diaphragm

When we inhale, we are breathing in ____.

• oxygen

• carbon dioxide

• air rich in oxygen

• air rich in carbon dioxide

Which of the following gases in higher in exhaled air than inhaled air? (You may choose one or more answers)

• Oxygen

• Nitrogen

• Carbon dioxide

• Water vapour

What is the name of the solution used to test if carbon dioxide is present?

What happens to limewater when carbon dioxide is present?

• Limewater becomes clear.

• Limewater turns cloudy.

• Limewater turns blue.

• Limewater turns pink.

When water vapour is present, cobalt chloride paper will turn ____.

• from blue to pink.

• from pink to blue.

• from clear to cloudy.

• from cloudy to clear.