To keep you warm.
All of these. Study island answer...
Underarm hair serves as a protective barrier and helps regulate body temperature by trapping sweat and releasing pheromones. Humans have underarm hair as a natural evolutionary trait that aids in these functions.
Cilia are slender, hair-like structures found on the surface of cells that aid in movement and the transportation of materials. They can be found in various organisms, including humans, and serve functions such as facilitating the movement of mucus in the respiratory tract.
The rats hair main function is to maintain body temperature, just like the hair on humans reduces loss of heat by radiation. They are different that the hair covers the entire rat, where as it is mostly on the top of the head for humans.
yes, your arms and legs are considered appendages.
is harmful because the dunes serve many important functions.
hair
mammals because mammals have hair and birds have feathers.
the hair frollicle and matrix.
Facial hair in humans is believed to serve various purposes, such as protection from the sun, cold weather, and injury. It can also play a role in sexual attraction and signaling dominance among males. Additionally, facial hair is thought to have evolved as a secondary sexual characteristic during human evolution.
beause it suckes
No they do not eat other humans hair for their hair to grow🤦🏽