The atrioventricular valves seal by the surfaces of the flaps coming together- the edges of the flaps do not scrape against each other or against the walls of the
ventricles. Why is this frictionless way of closing, which doesn't cause any wear on
the valves, important?

a. steroid--> influences moods in the limbic system

b. inhalant--> dissolves fatty tissue in the brain

c. marijuana--> changes how the hippocampus processes sensations

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.

the answer the third choice the letter c