BY: PROF. WALLICE

UNDERSTANDING THE HEART

THE HEART

Pump to send oxygen-rich blood through all parts of your body.

Contains nutrients and oxygen needed in the body

COMMON FACTS

beats of 100,000 times per day

pumps more than 4,300 gallons of blood

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FISH

Two chambered heart

Blood flows to gills and then rest of the body

AMPHIBIANS

Two chambered heart

Double circulation system

HUMANSEach time the

heart contracts it does so with all its force.

In skeletal muscles, the principle of "gradation" is present.

SUMMARY

Function of the Heart in:Amphibian,Human andFish