What neurotransmitter is released at the preganglionic synapses of the sympathetic division? what neurotransmitter is released at the postganglionic synapses of the sympathetic division?

What extraordinary role does learning think we can play in the universe?

The second westward surge reached the: mississippi river, appalachian mountains, oregon territory

“obamacare”: included a provision for government-run health insurance called “the public option.” was bitterly opposed by congressional republicans because most favored a “single-payer” plan. survived two challenges to its constitutionality. was partially repealed in 2013 in order to avert a government shutdown. led to the expansion of medicaid in republican controlled states.