Understanding the Heart

By: Prof.

Wallace

The HeartOxygenated blood BodyDeoxygenated blood Lungs

Oxygen

Nutrients

Common Facts

4,300 gallons per day

100,000 times per

day

Fish

Two Chambered Heart

AmphibiansThree-chambered heart Double circulatory system

Human

Each time the heart contracts it does so with all its force. Skeletal

Muscle Gradation

Summary• Determined the function of the

heart • Explored the differences

between fish, amphibian, and human hearts