Question

i) Label the parts 1 to 4
ii) give the functions of part labelled 3,4 and 6.
iii) name the protein present in part labelled 1.
iv) name the pigment that gives colour to the skin.
v) name the fluid secreted by part labelled 5.
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Answer 1

Answer:

(1)

1 -Epidermis

2-Dermis

3-inner root sheath

4-Arrector pilli muscle

(2)

functions of

3- it protects the growing hair

4- it contracts and causes piloerection thereby helps in generating heat when the body is cold

6 - it is dermal hair papilla. It has blood vessels and helps in providing nutrients to the hair

(3)

keratin

(4)

Melanin

(5)

May be sabecious fluid (not sure)