By contrast, postganglionic fibers in the parasympathetic division are cholinergic and use acetylcholine as a neurotransmitter. In the sympathetic nervous system, the postganglionic neurons of sweat glands release acetylcholine for the activation of muscarinic receptors.
The International Space Station (ISS) is made up of multiple materials. Lightweight metals, plastics, and carbon fibers make up the majority of the state. The International Space Station (ISS) is made up of multiple materials. Lightweight metals, plastics, and carbon fibers make up the majority of the state.
Quick Answer. Uranus is made mainly from ammonia and methane in the form of ice. It has a core made from liquid ice and other rocky compounds, a mantle made of ammonia, water and other substances, and an outer layer of hydrogen and helium. Continue Reading.