What is the function of the digestive system? А) to chemically break down foods into C, H, O, and sometimes N and S so they can be absorbed

B) to mechanically and chemically break down large molecules so they can be absorbed

C) to produce minerals and vitamins needed by the body

D) to provide immediate energy for cell use

List several ways that negative life events (death in the family, being laid off, etc) may affect your physical health.

How is the central idea developed further? (a) the author elaborates on the treatments for allergies in adults and how they work. (b) the author quotes the reactions of experts and the methods used to conduct the study. (c) the author compares the different rates of food allergies shown in children and adults. (d) the author indicates the limitations of the study because of differences in health care.

Birth control methods can be behavioral, barrier, or hormonal. which is a behavioral method of birth control? a. abstinence b. birth control pill c. condoms d. emergency contraceptio