All of the following are effects of caffeine when taken to enhance endurance or performance except a. raise blood pH to counteract the buildup of lactate. b. may enhance alertness. c. acts as a stimulant in the body. d. improve concentration. e. reduced perception of fatigue.

The youngest babies change position once every on average. a. 5 minutes b. half hour c. minute d. 10 minutes

Explain the difference between the james-lange and the cannon-bard theories of emotion. answer - the cannon-bard theory proposes that emotions and arousal occur at the same time. the james-lange theory proposes the emotion is the result of arousal. schachter and singer's two-factor model proposes that arousal and cognition combine to create emotion.

When lifting heavy loads off the ground, the majority of the weight should be lifted by which of the following? a. arms b. legs c. back d. stomach