Which of the following is a healthy fat?
a.
saturated fat
b.
trans fat
c.
polyunsaturated fat
d.
enriched fat

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Blood cells bring oxygen to cells and take carbon dioxide away. true or false

How will your health most likely be affected if you follow the recommended guidelines for sleep, rest, and physical activty