True or False: If the statement is false, change the bolded...

True or False: If the statement is false, change the bolded term to make it true 1. The presence of keratin protects the skin from damaging effects of the sun: 2. The skin is also known as the cutaneous membrane: 3. Keratinocytes are the most numerous type of cell found in the epidermis: 4. In order to produce Vitamin D, the skin needs to be exposed to heat: 5. Dark-skinned people have the same number of melanocytes as light- skinned people: 6. Merkel cells are responsible for producing keratin: 7. Eccrine glands are the most common type of sweat gland: 8. The hypodermis is considered to be part of the skin: 9. The epidermis is responsible for most of the skin's structural strength:

Transcript

00:02 Keratin shells the outer layer of the skin and thereby protects it against harsh environmental conditions like extreme damage due to sunlight or dehydration or cold weather etc.

00:33 This outer layer is dead and it is shed off routinely.

00:40 That is it is casted off and thereby protecting the skin beneath it.

00:51 So the statement that keratin protects the skin from damage that happens due to sun is true.

01:00 The main function of the skin is to protect the underlying tissues of the body that is ultimately protect the outer surface of the body or all the organs beneath the skin.

01:13 So it is also called as cutaneous membrane because scutaneous explains related to skin or the outer layer.

01:23 Thus, the statement that skin is called as cutaneous membrane is true.

01:29 The three main types of cells of skin are keratinocytes denoted by k, melanocytes denoted by m and the langeran cells denoted by l.

01:38 Out of this, keratinocytes are the most predominant forms of the epidermin.

01:46 Predominant cells of the epidermis because these are responsible to protect the skin from the external damage and forms the water barrier as well for the epidermis and it originates from the basal layer produced and it is produced it produces keratin so yes this statement is true that keratinocytes are the most numerous types of cells found in the epidermine when the skin is exposed to the to the sunlight and especially the uvb present in the sunlight.

02:22 The cholesterol present in the skin turns it into vitamin d.

02:32 And this is the process of production of vitamin d.

02:34 So in order to produce vitamin d, the skin has to be exposed to sunlight and not heat.

02:41 So this statement is false and it can be corrected by inserting sunlight instead of heat...

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