What happens to faulty sperm and sperm that are not ejaculated?
a. They result in severe pain for the man.
b. They are reabsorbed into the body
c. They reduce sexual arousal.
d. They cause temporary infertility.
b
You might also like to view...
_____ syndrome is also known as trisomy 21
Fill in the blank(s) with correct word
Neurogenesis
a. only occurs in science fiction movies. b. results in the loss of key brain cells. c. is incompatible with increased blood flow in the brain. d. may be possible in humans.
Calhoun's studies with rats imply that high density causes pathological behaviors. Evans et al.'s demographic study showed
a. that overcrowding causes psychological symptoms in humans. b. that overcrowding does not cause psychological symptoms in humans. c. there is a correlation between density and psychological symptoms. d. there is no correlation between density and psychological symptoms.
Regarding the causes of aggression, which of the following statements is FALSE?
a. The tendency to be violent is neither in our evolutionary legacy or in our genes. b. Humans are fully capable of learning to inhibit aggression. c. The use of alcohol and drugs is considered a direct cause of aggressive behavior. d. Physiological studies have shown that some brain areas are capable of triggering or ending aggressive behavior.