Biology
Why are body hairs present in mammals?
Skin
5 Likes
Answer
Body hairs are present in mammals to help regulate body temperature, protect the skin, and sense touch. They act as insulation in cold weather, protect against dust and injury, and help detect movements on the skin.
Answered By
2 Likes
Related Questions
Draw a labelled diagram of the generalized vertical section of mammalian skin.
Given below is a diagrammatic sketch of the vertical section of human skin.
(a) Label the parts numbered 1 to 9
(b) State one main function of each of the following parts:
- Part 2.
- Part 3.
- Part 4.
- Part 9.
(c) Name any one of the above parts which has at least three functions.
(d) Part 4 may add to one's good appearances or the "figure". State one example of this function which may be common to both men and women.
The figures A and B given below represent the ways of heat regulation in our body with the help of blood vessels. Study the figures and answer the following questions.
(a) Name the process/condition shown in figures A and B.
(b) During what climatic conditions, do these processes occur in our body?
(c) What colour change do we see in the facial appearance of a person during these situations?
(d) Do these situations occur due to emotional causes? If yes, name them.
This structure in birds is a counterpart of mammalian hair.
- What is this? ……………
- What is the one common primary function served by these structures both in birds and mammals?