Which std is known as a "silent" disease because the majority of infected people have no symptoms?
a. chlamydia
b. syphilis
c. herpes
d. gonorrhea

Scientists who study the anatomy of the systems in the human body focus their studies on

How are the causes of the problems viewed? medical model public health model human services model. what is a method of treatment? medical model public health model human service modelj

Why is it so important to have a lifetime commitment to training? a-it takes your entire life to become fit b-it keeps you from becoming bored c-you will lose strength and endurance once you stop exercising d-it increases your motivation in life