Systems at Work – Quiz

What does the respiratory system bring into the body?

• Blood

• Oxygen

• Nutrients

• Bones

Where does the exchange of oxygen and carbon dioxide happen?

• In the heart

• In the diaphragm

• In the capillaries

• In the brain

What muscle helps us breathe by pulling air into the lungs?

• Liver

• Diaphragm

• Skull

• Artery

What do red blood cells carry?

• Oxygen

• Muscles

• Nerves

• Skin

The heart pumps blood to the lungs to get:

• Food

• Oxygen

• Water

• Mucus

How does carbon dioxide leave the body?

• Through the skin

• Through breathing out

• Through the blood

• Through the stomach

What carries blood from the heart to the rest of the body?

• Arteries

• Nerves

• Bones

• Veins

What do veins do?

• Take blood from the heart

• Help you breathe

• Carry blood back to the heart

• Make oxygen

What two systems work together to deliver oxygen to the body?

• Digestive and circulatory

• Respiratory and circulatory

• Muscular and nervous

• Respiratory and skeletal

Why is the circulatory system important?

• It helps us run faster

• It gives us energy

• It moves oxygen and nutrients to our cells

• It controls our feelings