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.
All Matter is made of Molecules. Molecules are made of Atoms. Atoms are made of Protons, Neutrons, and Electrons. Protons, Newtons and Electrons are made of Quarks. And some physicists believe that Quarks are made of Strings.