The principal difference between isometric and isotonic exercises is the a. use of free weights and weight machines b. rate of calories burned during exercise c. change in muscle length during exercise d. type of muscles exercised

Does gender play an important role in the 6 components of health

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.

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