Question

Which of the following is NOT a function of epithelial tissues?



a. absorption

b. secretion

c. protection

d. respond to stimuli​

Answer 1

The epithelial tissues performs all the given functions.

Explanation:

• The outer covering of the skin is called as epithelial tissues.

• The lining of respiratory, digestive, reproductive and excretory tracts are formed by 'epithelial tissues'.

• Epithelial tissues performs several functions such as "absorption, protection, sensation (respond to stimuli​) and secretion".

a. absorption - water and nutrients are absorbed by the digestive tract with the help of epithelial tissues.

b. secretion -  hormones, enzymes, saliva, mucus, sweat, etc are secreted by various glands that are made up of epithelial cells.

c. protection - As it forms the lining of the body, it act as a defense mechanism by protecting the skin from injury, infections.

d. respond to stimuli​ - epithelial tissue of the nose, eyes and ears, taste bud, etc. transmits signals from the external stimuli to the brain with the help of sensory receptors.