Long answer type

Q. Enumerate in tabular form the diffeent structures found in the epidermis and dermis of the human skin respectively

Layer of the skin	Structures found	Functions
Epidermis	Melanocytes	Produces melanin responsible for the skin tone and colour
	Nerve endings	Contains sensory nerve cells or receptors which are sensitive to heat and cold
	Cells of Langerhans	Prevents the entry of foreign substances inside the skin
	Stratum corneum	Forms the outermost layer of the skin which contains keratin. It protects the underlying deeper layers of the skin from mechanical damage, bacterial infections and from loss of water or dehydration
	Keratinocytes	Synthesises protein keratin which forms the protective layer of the skin
	Stratum lucidum	Offers extra protection
	Stratum granulosum	Helps in the formation of keratin
	Stratum spinosum	Living cells that make Vitamin D in sunlight
	Stratum basale	Makes brown pigment melanin
Dermis	Collagen fibres	Responsible for structural support
	Elastin fibres	Responsible for the resilience of the skin
	Fibroblast cells	Synthesise collagen, elastin and other structural molecules of the skin
	Blood vessels	Provide oxygen and nourishment to the skin
	Lymph nodes	Protect the skin from the attack of microbes
	Sebacoues glands, sweat glands, hair follicles, nerves and muscle fibres	Produce sebum for the lubrication of the skin