Circulatory System Quiz

What is the main function of the circulatory system?

• To help us breathe

• To transport blood, oxygen, and nutrients throughout the body

• To digest food

• To control our muscles

What is the heart compared to in the video?

• A computer

• A powerful pump

• A car

• A telephone

Which of the following is NOT a type of blood vessel?

• Arteries

• Veins

• Capillaries

• Nerves

What do arteries do?

• Carry oxygen-rich blood away from the heart

• Bring oxygen-poor blood back to the heart

• Connect arteries and veins

• Remove waste products

What are veins responsible for?

• Carrying oxygen-rich blood away from the heart

• Bringing oxygen-poor blood back to the heart

• Delivering oxygen and nutrients to body cells

• Pumping blood throughout the body

What are capillaries compared to in the video?

• Big wide roads

• Tiny narrow streets

• Delivery trucks

• Powerful pumps

What does blood carry to our body cells?

• Oxygen and nutrients

• Carbon dioxide and waste products

• Food and water

• Air and light

What happens when we breathe in?

• Our heart stops beating

• Our lungs take in oxygen from the air

• Our blood vessels expand

• Our body cells release oxygen

What does the blood pick up from the body cells?

• Oxygen

• Nutrients

• Carbon dioxide and waste products

• Water

What is the circulatory system compared to in the video?

• A computer network

• A transportation system

• A library

• A garden