Which statement does NOT accurately describe the gross anatomy of the kidneys?

a. The kidneys have partial protection from the rib cage.
b. The fibrous capsule prevents infections from spreading to the kidney.
c. The left kidney is lower in position because of crowding by the liver.
d. The recess where blood vessels and nerves enter the kidney is called the hilum.

When you are making a guess you are forming a hypothesis

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on