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.
International Space Station (ISS) The International Space Station (ISS) Construction of the International Space Station began on 20 November 1998 when the American-funded, Russian-built Zarya module was launched into orbit around Earth. Sixteen countries are involved in the project.