Heart
Blood Flow
Fun facts
100

What is the heart?

An organ pumps blood throughout the body.

100

Blood picks up oxygen in this organ.

Lungs

100

The heart is about the size of your ______

Fist

200

How many chambers does the heart have

Four

200

Oxygenated blood enters this chamber from the lungs.

left atrium

200

The average heart beats how many times per minute

60-100

300

The two lower chambers that pump blood out of the heart. 

Ventricle

300

Deoxygenated blood enters this chamber first.

Right Atrium

300

Where can your pulse be felt?

Wrist,Temple,Neck