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Understanding the heart
The heart pumps blood throughout the entire body, beating an average of 100,000 times per day and pumping over 4,300 gallons of blood in that time. The document discusses the heart functions and its role in blood circulation for fish, amphibians, and human muscle as well as comparisons between hearts.
Understanding the heart
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- 3. Did you know? yourheart beats an average of 100,000 times per day? In that time, it pumps more than 4,300 gallons of blood throughout your entire body.
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Editor's Notes
- #3 Functions like a pump to send oxygen-rich blood through all parts of your body. Blood contains oxygen and nutrients that every cell in your body needs to survive.
- #5 Fish have a two-chambered heart that pumps the blood to the gills and from there it goes on to the rest of the body.
- #6 Amphibians have a double circulatory system which is used, but the heart is not always completely separated into two pumps. They also have a three-chambered heart.
- #7 Each time the heart contracts it does so with all its force. In skeletal muscles, the principle of "gradation" is present.
- #8 Determined the function of the Heart Explored the differences between Amphibian, Human and Fish hearts