Which person should increase calorie intake due to a lifestyle choice? a. an adult who is often sedentary b. an athlete c. a student getting ready for school exams d. an older woman

Achemical substance that people of any age may not lawfully manufacture, possess, buy, or sell is known as a(n) a. over the counter drug b. prescription drug c. medicine d. illegal drug

Which is not an effect of aging? secondary sex characteristics appear bones shrink and become more brittle skin becomes drier and less elastic hearing and vision become less sharp

After fertilization zygote blank a) disappears b) begins to changes c) remains the same