What function do capillaries serve in the cardiovascular system? a. carry blood to the brain b. return blood to the lungs c. control body temperature d. replace old blood cells

Which of these is a fact about performance enhancing drugs? a. steroids lack addictive properties. b. steroids use can cause dangerous side effects. c. it is safe to use steroids when working out. d. a person can get in legal trouble for using steroids.

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

How can we use food appropriately? to prevent food , it is important that you also avoid .