Exercising below your target heart rate zone will
a. decrease your water intake
b. decrease the effectiveness of your workout
c. decrease your heart capacity
d. decrease the variety of your workout

Which statement is true about common childhood infectious disease? a. children should always be given antibiotics to treat an infectious illness. b. frequency of infectious illnesses usually increases as children grow older. c. having a minor infectious illness weakens a child's immune system. d. infectious illnesses are usually mild and require no medication.

The outermost layer of your teeth is called the enamel and is made of?

What ingredients used in tobacco products been banned?