Which of the following habits result in the reduction of the diameter of the blood capillaries and diffusion of oxygen into the tissues?

Drinking alcohol

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Lack of physical exercise

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Smoking

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Illegal drug intake

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Solution

The correct option is C
Smoking

Tobacco consists of about 7000 different chemicals which includes nicotine too. The tobacco smoke is harmful for health because they result in the reduction in the diameter of the blood capillaries and also reduces the diffusion of oxygen into the tissues

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Similar questions

Which of the following is absorbed into the blood capillary of the villus by facilitated diffusion?

Absorption of glucose into blood capillaries is an example of facilitated diffusion.

_{2}

O_{2}

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