Compared to 20-year-olds, 35-year-olds are less likely to engage in energy-demanding sports. ...

Compared to 20-year-olds, 35-year-olds are less likely to
 
  engage in energy-demanding sports.
  bounce back quickly after a physiologically stressful activity.
  perform any job requiring manual labor.
  require a warm-up period before exercise.

Question 2

Which of the following states is the goal of homeostasis?
 
  organ depletion
  equilibrium
  pregnancy
  weight loss

Question 3

An example of homeostasis is the
 
  increase in maximum heart rate with age.
  reserve that allows a person to do without a night of sleep.
  increase in heart rate and breathing that occurs during physical exertion.
  loss of muscle tone that occurs in the absence of exercise.

Question 4

Larry is 30 years old and will play tennis with 18-year-old Chris. They are equally matched in ability. Larry will probably
 
  spend less time in warm-up because he is more mature.
  need more rest afterward to allow bodily functions to return to normal.
  need less rest afterward because he is stronger.
  lose; he cannot keep up with an 18-year-old.

Question 5

For which of the following physical changes is a woman in her mid-20s most likely to consult a doctor?
 
  pregnancy
  cancer
  senescence
  colds and flu