During exercise, the oxygen concentration in the blood increases to twice that of resting levels. t or f

Brad was almost hit by a speeding truck as he crossed the street. his heart began to race, and he felt extremely afraid as he jumped out of the way in just enough time to avoid the truck. a psychologist who supports the theory of emotion would claim that based on the arousal brad experienced, he appraised the situation and then labeled his racing heart as fear. a. james-lange b. cannon-bard c. schachter two-factor d. evolutionary

Why is the first step in responding to life-threading situations to assess the situation?

Which of the following does not cause blindness? a. cataractsb. glaucomac. osteoarthritisd. diabetes