Which of the following are correct The Skin 1 Keeps the heat out 2 Gives shape to the body 3 Protect...........

General Science (Easy) Biology

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Which of the following are correct?

The Skin-

1) Keeps the heat out

2) Gives shape to the body

3) Protects us from cold

4) Serves as a secretory organ

Choose the correct answer using the codes below:

1, 2, 3, 4

1,2, 4

1, 3, 4

2, 3, 4

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Explanation:

The skin has three main functions: protection, regulation and sensation. Wounding affects all the functions of the skin. The skin is an organ of protection. The primary function of the skin is to act as a barrier. The skin provides protection from: mechanical impacts and pressure, variations in temperature, micro-organisms, radiation and chemicals.