Factors that influence physical fitness include heredity, behavior, and environment

By 2 weeks after fertilization the morula has implanted into the uterine lining and transforms into a(n) . this time is when the , or the organ that will provide nourishment to the fetus by exchanging nutrients and waste products, begins to develop.

Drinking five ounces of wine is better for the body rhan drinking twelve ounces of beer because there's less pure alcohol in a glass of wine

How can friends best counteract the negative influence of peer pressure? by being assertive by being supportive of positive behaviors by being humorous by being quiet and submissiv