1. movement is caused by of muscular tissue. 2. muscle tissue requires a great deal of to do its work. 3. proper is needed to keep muscles firm and strong. 4. the main sources of energy in the diet are and

Foods that fill your body with sugar and fat but little else, are said to contain

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

What conditions are unaffected in physical conditions