Which is the best predictor of a child’s health in the first year of life?
a. head circumference
b. skin color
c. body length
d. birth weight

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

Describe the concept of interval training. what is the benefit of this type of training?

Which of the following is also referred to as "swayback"? a. kyphosis b. scoliosis c. lordosis d. none of the above