Heart
Blood
Cardiovascular System
100

What type of organ is your heart?

A muscle 

100

What makes up more than half of our blood?

Plasma

100

The two components of the cardiovascular system

Heart and Blood Vessels

200

How many chambers are there in the heart

4

200

What do red blood cells do?

Bring oxygen to our cells

200

The two types of blood vessels

Arteries and Veins

300

What does your heart rate tell you?

How fast your heart is beating to pump blood throughout your body

300

What do white blood cells do?

Fight infections and germs in our body

300

Why does your heart rate increase when you exercise?

Your body needs more oxygen 

400

Name some ways to help keep your heart healthy

Staying active, eating healthy and more!

400

What do platelets do?

Help to stop bleeding by "clotting" our blood cells

400

What do your blood vessels bring to your cells?

Oxygen, nutrients, and other useful substances