Select the correct answer.
what prevented people from understanding the internal structure of the human body in ancient and medieval times?
a.
microscopes did not exist.
b.
dissection was not allowed for religious reasons.
c.
doctors did not receive licenses and did not keep patient records.
d.
doctors linked superstitions about evil spirits with illness.

How does drinking alcohol or using drugs put a person at risk for hiv infection? a. they improve judgment, which makes it more likely for people to engage in risky behavior. b. they impair judgment, which makes it more likely for people to engage in risky behavior. c. they impair judgment, which makes it less likely for people to engage in risky behavior. d. they improve judgment, which makes it less likely for people to engage in risky behavior.