A - Smoking increases O₂ , content in blood. R - Nicotine stimulates adrenal gland.

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7.Human Health and Disease

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$A$ - Smoking increases $O_2$, content in blood. $R$ - Nicotine stimulates adrenal gland.

A

$A$ and $R$ both are correct.

B

$A$ and $R$ both are incorrect.

C

$A$ is correct, $R$ is incorrect.

D

$A$ is incorrect, $R$ is correct.

Solution

Solution is Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Standard 12

Biology

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