Author Question: Gradual thinning and graying of the hair occurs naturally with age. Thinning is caused by , whereas ... (Read 64 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
Gradual thinning and graying of the hair occurs naturally with age. Thinning is caused by , whereas graying is caused by .
 
  a. destruction of the germ centers that produce hair follicles; cessation of pigment production
  b. cessation of pigment production; destruction of the germ centers that produce hair follicles
  c. decrease in epidermal cells; changes in collagen content
  d. changes in collagen content; decrease in epidermal cells

Question 2

Most facial wrinkling experienced by adults is
 
  a. inevitable. b. genetic.
 
  c. caused by an overuse of vitamin E.
 
  d. preventable if one limits exposure to the sun's ultraviolet rays and doesn't smoke.



amandalm

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For a complete list of videos, visit our video library