Question

question 8: bone density can be continually improved during a persons life by leading a lifestyle that includes:
o a high level of physical activity and a nutritious diet rich in calcium
o a low level of physical activity and a nutritious diet rich in calcium
o a high level of physical activity and a nutritious diet high in vitamin a
o a high level of physical activity and a nutritious diet high in vitamin c

question 9: the use of intensity during a cardiorespiratory endurance workout means:
o how often an activity is performed
o how hard an activity is performed
o how long an activity is performed
o where an exercise is performed

question 10: flexibility is best defined as the:
o range of movement possible at various joints
o ability to work the muscle over a period of time
o coordination of movement at a joint

Explanation:

For Question 8, bone density is improved by physical activity and calcium - rich diet. For Question 9, intensity in cardio - respiratory endurance workout refers to how hard an activity is done. For Question 10, flexibility is the range of movement at joints.

Answer:

Question 8: a high level of physical activity and a nutritious diet rich in calcium
Question 9: How hard an activity is performed
Question 10: Range of movement possible at various joints