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Question
What is the advantage of having a four-chambered heart?
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Solution
Four chambered heart has the following advantages
- Clear cut division of labours among different chambers
- Segregation of oxygenated and deoxygenated blood in the heart.
- Efficiency of the heart will increase.
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RELATED QUESTIONS
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| (ii) Inferior vena cava | (b) Carry oxygenated blood to heart muscle. |
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| (v) Coronary artery | (e) Brings oxygenated blood from lungs. |
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| (viii) Blood Pressure | (h) Oxygenated blood |
| (ix) Tricuspid valve | (i) Sphygmomanometer |
| (x) Bicuspid valve | (j) Allows blood flow from right auricle to right ventricle. |
| (xi) Contraction and relaxation of heart | (k) Blocking of coronary arteries. |
| (l) Cardiac muscle. | |
| (m) Allows blood flow from left auricle to left ventricle. | |
| (n) Allows blood flow from right ventricle of pulmonary aorta. |
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| Column I | Column II | ||
| i. | Tricuspid valve | a. | Between left atrium and left ventricle |
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