prostaglandins

Non-respiratory functions of respiratory tract

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Non respiratory functions of respiratory tract

Various non-respiratory functions are also shown by respiratory tract. Not only gaseous exchange that is the primary function of it. Lungs show defense barrier and metabolic functions. It is the main organ of respiration. Some important compounds are synthesized by it. Non-respiratory functions are: a) Olfaction Provides olfactory sensation. Presence of olfactory receptors in mucus … Read more

Various neurotransmitters and their functions

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Neurotransmitters are chemical agents synthesized by nerve cells. Are stored in secretory vesicles in axon terminals.  Released when a nerve impulse reaches the end bulb. Also defined as the chemicals which allow the transmission of signals from one neuron to the next across synapses.  Produce an excitatory or inhibitory response in the post synaptic membrane. … Read more