If a researcher lesions the amygdala of a laboratory rat, the rat will most likely become a) hungry. b) sexually aroused. c) physically uncoordinated. d) less aggressive. e) aphasic.

D) less aggressive.

Explanation:

Amygdala is a structure in the brain, part of the limbic system with the role in emotional responses such as aggressive behavior, sexual arousal, fear, but also it is also involved in memory and decision-making.

Stimulated amygdala increase aggressive behavior, while lesions induce opposite effect.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.