Question

Give reason:
(i) The skin of the palm is thick and rough.

Answer 1

• Thick skin is present on the palms of the hands because these areas receive more friction than other areas of the body, and thicker skin helps to protect from potential damage.
• Thick palm skin does not contain any hair follicles or sebaceous glands.
• Due to the absence of sebaceous glands, the lubrication of the skin of the palms does not happen.
• This makes the skin of the palm rough.
• The extra thickness is caused by the protein keratin, which is present in the deeper layers of the skin but forms a surface layer of dead cells on the epidermis.