What is the body's preferred energy source?
a. amino acids
b. carbohydrates
c. fats
d. proteins

Hepatitis b and hiv/aids are two serious infections that can be transmitted by a. breastfeeding and contact with blood. b. sharing food and sharing drinks. c. transmission by air, water, and shared bodily fluids. d. skin contact, contact with urine, and sharing clothing.

Adisease that is characteristic of a particular local region is called:

Which hormone controls the production of sperm