1. After three months of being in the mother's womb, the fetus_____

a. is ready to be born

b. has developed a large body and a tiny head

c. looks like a tiny adult

d. has developed all its organ systems but still cannot live on its own

2. to lead healthy, active lives in old age, one should

a. eat properly and exercise regularly
b. have parents who lived healthy, active lives
c. enjoy life
d. all of the above

3. The only sexually change common to both males and females is____

a. developing breasts
b. having bigger muscles
c. getting fat
d. growing public hair

4. A woman is pregnant when______

a. ovulation occurs
b. fertilization occurs
c. a cell mass attaches itself to the wall of her utetus
d. the heartbeat of the fetus begins to be heard

5. The menstrual cycle stops during_____

a. ovulation
b. puberty
c. adolescence
d. pregnancy
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