Answer:
1. Protection of the body against environmental effects like UV radiation.
2. Thermal regulation through vasoconstriction or vasodilation of blood vessels.
3. Sensitivity through nerve endings
4. Synthesis and storage of vitamin D
5. Containment of important body structures and substances.
Explanation:
Answer:
a social smile
Explanation:
beause smile make people friendly and happy mode so any thinks can do.
Answer:
thank you
Explanation:
the earth is 4.543 billion years
and yes I searched it up :)
The primary function of red blood cells is, to restore broken skin. and stop bleeding.
Answer:
An audiometry that assesses the airway and nerve at the same time.
When a person has hearing impairment, will be seen a fall in the audiometric graph both at the level of the bone or neurological pathway above 30 decibels and 250 hertz.