Respiratory, Circulatory, Skeletal and Muscular Systems

This/These allow oxygen to be inhaled and carbon dioxide to be exhaled.

• Veins

• Arteries

• Lungs

• Capilleries

What are the lungs protected by?

• The heart

• Muscle

• Diaphragm

• Ribs

True or False? Every mammal on Earth has a diaphragm

• True

• False

Where is the diaphragm located?

• Above the lungs

• Below the lungs

• Left of the Lungs

• Right of the Lungs

Do we inhale oxygen or carbon dioxide?

• Oxygen

• Carbon dioxide

Where is the trachea located?

• Beside the lungs

• Beside the heart

• In your stomach

• In your throat

What does the trachea break off into?

• The heart

• The brain

• The bronchioles

• The diaphragm

How many alveoli are there in the human body?

• 6 million

• 60 million

• 600 million

• 600 000

Where are the alveoli located?

• All over the lungs

• In the diaphragm

• In the heart

• In the arteries

Which organ system is responsible for the movement of oxygen around the body?

• The muskoskeletal system

• The circulatory system

• The respiratory system