Short answers please, answer them all and I will rate you 1-What type of tissue(

Question

Short answers please, answer them all and I will rate you

1-What type of tissue(s) is the hypodermis? Is the hypodermis a layer of skin?

2-What are the important functions of subcutaneous fat? Is liposuction a means of permanent fat loss? Why is the hypodermis the desirable site for subcutaneous injections, such as insulin shots?

3-How do partial-thickness burns differ from full-thickness burns? Is there typically scarring following first degree burns? Why so/why not? Why do severe second degree burns and third degree burns often require skin grafting?

4-Skin is referred to as soft keratin, but hair and nails are referred to as hard keratin. Why? What are the functions of a hair follicle? The arrector-pili reflex is considered to be a vestigial reflex. That is, it once had a physiological purpose, but that purpose does not exist anymore, but the reflex still does. What was the function of this reflex in distant humans? What are goosebumps? How do they relate to this reflex?

Explanation / Answer

Ans 1: Hypodermis is the thickest and innermost layer of skin. It is attached by Collen and elastin fibres to the dermis.

It is chiefly composed of cells specialised in storing fats, viz., Adipocytes.

Hypodermis is a layer of skin

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