Bio 214(Lab) - Liberty University - Exercise 5 |98 Questions| With Correct Answers.

what is the function of melanocytes/melanin? {Ans: to absorb UV rays in order to protect the skin}what is the purpose of the arrector pili muscle? {Ans: upon stimulation by the sympathetic nervous system, they contract and lift the hair shaft perpendicular to the skin surface. it serves to increase the sensitivity of the skin to touch (part of the flight-or-fight response)}At its thickest, skin is less than.. {Ans: 2mm deep}lunula pic {Ans: }melanocyte (hair follicle) {Ans: what are the brown figures on top of the hair papilla}where does new hair growth occur? {Ans: in the matrix}