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प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Give reasons/explain:
The left ventricle has thicker walls than the right ventricle.
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उत्तर
The right ventricle pumps deoxygenated blood only to the lungs, while the left ventricle pumps oxygenated blood to the longest distance in the body; hence, it has thicker walls than the right ventricle.
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संबंधित प्रश्न
Name the following:
The valve present in between the chambers on the right side of the human heart.
Give reason for the following:
Blood flowing away from the stomach and intestines is put into circulation via the liver and
not directly.
Find out my partner.
| Group ‘A’ | Group ‘B’ |
| 1. Heart beats | a. 350 ml |
| 2. RBC | b. 7.4 |
| 3. WBC | c. 37°C |
| 4. Blood donation | d. 72 |
| 5. Normal body temperature | e. 50-60 lakh/mm3 |
| 6. pH of oxygenated blood | f. 5000-6000 per mm3 |
Explain the following:
Why is the closed circulatory system more efficient than the open system?
Fill in the blank:
______ carry pure blood.
How many litres of blood does an adult human body have?
Which of the following is the main site of erythropoiesis in adults?
Spleen is referred to as ______.
Which component of the haemoglobin molecule combines with the oxygen molecule to form oxyhaemoglobin?
Hematocrit is ______.
