PDHPE Preliminary Core 2 Exam 2022 with complete solution

Acceleration the rate at which velocity changes in a given amount of time (FORCE ÷ MASS) Adduction moving a limb towards the midline of the body Aerobic exercise refers to continuous activity that is of lower intensity and lasting up to an hour or more Agility is the ability to move the body from one position and direction to another with speed and precision Alveoli tiny air sacs in the lungs where gases exchange Anaerobic exercise refers to activity that is of high intensity and short duration; that is, lasting up to about three minutes such as sprinting Angular momentum the is determined by the angular velocity x moment of inertia Angular motion occurs when a body and all parts of it travel along a circular path through the same angle and in the same direction Aorta largest artery of body and carries oxygenated blood to the body Applied forces are forces generated by muscles working on joints Arteries carry oxygenated blood away from heart