Bodybuilders show off their muscles by __________.

A. activating their autonomic nervous system
B. willing the activation of their extensor muscles
C. willing the activation of their flexor muscles
D. simultaneously contracting their flexor and extensor muscles


Answer: D

Psychology

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Greg was recounting a fishing tale of the one that got away: "I had a huge ahi tuna on my line. I fought for it for a few minutes, then my line snapped. The tuna swam away across the pond." Greg's friend, Matt, didn't believe his story because Matt knew that tuna are salt-water fish and aren't found in ponds. Greg's account contains

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LaValle is 4 years old, and as one might expect he pays very careful attention to his father. He imitates many of his father's actions, copies his behaviors, and responds appropriately to rewards and punishments for his own behaviors

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Psychology