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.

I chose the letter B.

Explanation:

During the ancient and medieval times, they forbade dissection because it was inhumane. It is also linked with religious reasonings. So, they prevent people from understanding the internal organs of a human being.

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.