People are leaving a big festival and see a man lying on the sidewalk.  No one stops to check on him. This is likely because of ______.

What type of exercise includes walking at a rapid pace, jogging, or pedaling a stationary bike, and enhances the functioning of the respiratory, cardiovascular, and digestive systems?

a. eccentric b. agility c. aerobic d. strength

During a grade school field trip, Ryan and his friends were running down a hill when he stepped on a snake. He was unharmed but shaken by the experience. When one of his friends mentioned the incident months later, Ryan could not remember running down the hill that day. Sigmund Freud would say that this is an example of:

a. sublimation. b. displacement. c. repression. d. regression.