A) Draw a well be ad figure to show the Cross-section of human heart Explain the functioung of heart
Answers
Answer:
- Explanation:
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Answer:
The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence.
The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence.
The chambers on the right side of the heart pump oxygen-depleted blood from the organs and to the lungs, where it absorbs oxygen. After the blood leaves the lungs and returns to the heart, the left-sided chambers pump the oxygenated blood around to all the tissues of the body
Explanation:
The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence.
The chambers on the right side of the heart pump oxygen-depleted blood from the organs and to the lungs, where it absorbs oxygen. After the blood leaves the lungs and returns to the heart, the left-sided chambers pump the oxygenated blood around to all the tissues of the body.
The heart’s four chambers are:
Right atrium: This thin-walled chamber receives blood from body tissues and pumps it into the right ventricle.
Right ventricle: The right ventricle pumps blood from the right atrium to the pulmonary trunk and out to the lungs via the pulmonary arteries.
Left atrium: This chamber receives oxygenated blood from the lungs and then pumps it to the left ventricle.
Left ventricle: The thickest of all the chambers, the left ventricle is the hardest working part of the heart as it pumps blood throughout the entire body.
To keep this continually flowing process moving in the right direction, the heart contains four valves to prevent the backflow of blood.
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