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प्रश्न
Why is the heart divided into two halves by a thick muscular wall?
एक पंक्ति में उत्तर
उत्तर
The oxygenated and deoxygenated blood are separately circulated. So the heart is divided into two halves by a thick muscular wall.
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संबंधित प्रश्न
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Find a match for me.
| Group A | Group B | ||
| (1) | Cardiac muscles | (a) | always function |
| (2) | Are brought about by muscles. | (b) | we never feel tired. |
| (3) | Pepsin | (c) | uncontrolled and painful contraction of muscles. |
| (4) | Cramps | (d) | chewing movements of jaws. |
| (5) | Skeletal muscles | (e) | enzyme of the gastric juice. |
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_______ muscle makes pupil of eyes wider.
The flexor and extensor muscle of the arm are antagonistic muscles.
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Analogy:
Biceps: Bends the arm at the elbow:: ______: Straightens the elbow.
Unscramble the jumbled word and write them in the blank spaces provided.
lsecsum
