Question 14 Marks
Observe the figure given below and answer the following questions:
(i) Label the parts marked 1-7.
(ii) State one function of each of the following:
(iii) In which of the part shown above is the brown pigment present?
(i) Label the parts marked 1-7.
(ii) State one function of each of the following:
(iii) In which of the part shown above is the brown pigment present?
Answer
View full question & answer→(i) 1- Epidermis 2- dermis 3- sweat gland 4- oil gland 5- hair follicle 6- hair 7- sensory neuron
(ii) Part 2 dermis-Your dermis is the middle layer of skin in your body. It has many important functions, including protecting your body from the outside world, supporting your epidermis, feeling different sensations and producing sweat.
Part 3 sweat gland- The primary function of sweat glands is to keep the core body temperature at approximately 37 ${ }^{\circ} $C by releasing sweat in a hot environment or during physical activity.
Part 4 Oil gland- The normal function of sebaceous glands is to produce and secrete sebum, a group of complex oils including triglycerides and fatty acid breakdown products, wax esters, squalene, cholesterol esters and cholesterol. Sebum lubricates the skin to protect against friction and makes it more impervious to moisture.
(iii) Malpighan Layer.
(ii) Part 2 dermis-Your dermis is the middle layer of skin in your body. It has many important functions, including protecting your body from the outside world, supporting your epidermis, feeling different sensations and producing sweat.
Part 3 sweat gland- The primary function of sweat glands is to keep the core body temperature at approximately 37 ${ }^{\circ} $C by releasing sweat in a hot environment or during physical activity.
Part 4 Oil gland- The normal function of sebaceous glands is to produce and secrete sebum, a group of complex oils including triglycerides and fatty acid breakdown products, wax esters, squalene, cholesterol esters and cholesterol. Sebum lubricates the skin to protect against friction and makes it more impervious to moisture.
(iii) Malpighan Layer.