Smoked cocaine takes considerably longer to reach the brain than does orally ingested methylphenidate

Part of the corpus collosum, the bundle of nerves that connects the hemispheres of the brain, is

A) not different in size, but is more active in men than women. B) proportionally larger in women than in men. C) not different in size, but is more active in women than men. D) proportionally larger in men than in women.

A system of ideas designed to interrelate concepts and facts in a way that summarizes existing data and predicts future observations is called a(n) __________

Fill in the blank(s) with correct word