Around the ages 9-14. On average, 12 is the average age.
Arrector Pili<span> Muscle - This is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. In order to generate heat when the body is cold, the </span>arrector pili<span> muscles contract all at once, causing the hair to "stand up straight" on the skin.
Hope this helped, credits go too google.</span>
Answer:
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The answer is “Trypanosoma”. The word “Trypanosoma” comes
from the Greek words trypanon and soma, which means auger and body, or auger
body. A Trypanosoma moves through an undulating membrane connected to a
flagellum. Trypanosoma comes from a genus of kinetoplastids, it is known to be
a monophyletic cluster of single-celled parasitic flagellate protozoa.
