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Biology
2. Human System
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Q15 of 70 Page 24

Human excretes mainly which substance?

Humans are ureotelic, they excrete urea. The ammonia produced by cells is converted by liver into urea which is excreted by the body after being filtered by the kidneys.

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13

In which blood group, both the antigens A and B are found present on red blood cells?

14

How many time blood flows through heart during circulation?

16

Where is glomerulus found?

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Main male sex hormone is-

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2. Human System
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