Science 402 Section 4

What is the circulatory system's purpose?

• To pump blood to all over your body

• To digest food

• To send messages all over the body

• To give support

Is your heart important?

• No

• Yes

Answer explanation

The heart is a very important organ of your body, without it, you will die.

What is this?

• Blood vessels

• Blood

• Skin

• Muscles

What is this?

• Tomato sauce

• Grape juice

• Red paint

• Blood

The circulatory system consists of :

• Heart

• Blood vessel

• Lungs

• Stomach

What does circulatory mean? (Hint : ot veom dnarou)

How big is your heart?

• The size of your fist

• The size of your head

• The size of your pinky finger

• The size of your feet

When you exercise...

• Your heart beats faster

• Your heart beats slower

What is one way you can feel your pulse (heartbeat)?

• By pressing your inner wrist.

• By touching your brain

• By drinking water

• By stretching

What is a heart rate?

• The number of times your heart beats in a minute

• How big your heart is

• How healthy your heart is