The division between the abdomen and the pelvis is marked by (diaphragm? an imaginary line from the symphysis pubis to the superior border of the sacrum?)
dmont of the large intestine are located in the abdomen?

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.

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

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

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