Question

few sentences about sense organ skin

Answer 1

skin is the longest part in our body
it covers the inner parts from harmful substances .
skin also acts as an excretory organ. 

Answer 2

A few sentences about the sense organ skin is as follows,

•       Skin is the largest sense organ that is present in our body.
•       It offers the first physical barrier that "protects the internal organs" from pathogens.  
•       It is majorly made up of an extracellular matrix protein called the “ Collagen”.
•       It is majorly made up of three types of cells that are the keratinocytes, fibroblasts, and melanocytes.
•       The melanin produced from the skin is a powerful UV protectant.