Which of the following are correct regarding the Skin Keeps the heat out Gives shape to the body Pro...........

General Science (Easy) Biology

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Which of the following are correct regarding the Skin?

Keeps the heat out
Gives shape to the body
Protects us from cold
Serves as a secretory organ

Mark the correct answer using the code given below:

1, 2, 3, 4

1,2, 4

1, 3, 4

2, 3, 4

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Explanation:

The skin protects the rest of the body from the basic elements of nature such as wind, water, and UV sunlight. It acts as a protective barrier against water loss, due to the presence of layers of keratin and glycolipids in the stratum corneum. It also is the first line of defense against abrasive activity due to contact with grit, microbes, or harmful chemicals. Sweat excreted from sweat glands deters microbes from over-colonizing the skin surface by generating dermicidin, which has antibiotic properties.