Form 4 - Respiratory System

What do all animals need to live?

• Light

• Food

• Oxygen

• Water

What is the main function of the respiratory system?

• To digest food

• To circulate blood

• To protect the body

• To breathe in oxygen and out carbon dioxide

Where can you find the vocal cords?

• Nasal cavity

• Trachea

• Lungs

• Larynx

What is the part of the mouth called in the respiratory system?

The diaphragm is a...

• bone

• joint

• muscle

• artery

What happens to the diaphragm when we inhale?

• It contracts

• It moves down

• It stays still

• It moves up

What happens to the diaphragm when we exhale?

• It goes up

• It goes down

• It vibrates

• It runs

What do fish use to breathe underwater?

• Lungs

• Alveoli

• Nostrils

• Gills

What is something that happens to your diaphragm that causes it to move?

• Pneumonia

• Hiccups

• Bronchitis

• Tuberculosis

What does the brain control in the respiratory system?

• Circulation

• Breathing

• Movement

• Digestion