The division of the nervous system that are responsible for activities that are not under conscious control (involuntary)is called autonomic nervous system. Examples of involuntary action are digestion and breathing. This part of the nervous system also control the involuntary activities of the intestines, glands, heart, respiration, metabolism, blood-pressure regulation, etc.
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The primary function of mRNA is to act as an intermediary between the genetic information in DNA and the amino acid sequence of proteins.
Colloids are mixtures in which one or more substances are dispersed as relatively large solid particles or liquid droplets throughout a solid, liquid, or gaseous medium. The particles of a colloid remain dispersed and do not settle due to gravity, and they are often electrically charged.
