C2 [ I or T ] If you drain something, you remove the liquid from it, usually by pouring it away or allowing it to flow away, and if something drains, liquid flows away or out of it: 1  Drain the pasta thoroughly. 2  We drained the pond and filled it with fresh water. 3  Drain (off) any liquid that is left in the rice.
5. Mitochondrium-this is the part of the cell responsible for the supply of energy in the form of ATP (adenosine triphosphate). Neurons need an enormous amount of energy. The brain is one of the most metabolically active tissues in the body.In man, for example, the brain uses 40 ml of oxygen per minute.t is from here that the electrical firing known as an action potential usually occurs. 5. Nerve Ending (Presynaptic Terminals) Synapses are the junctions formed with other nerve cells where the presynaptic terminal of one cell comes into 'contact' with the postsynaptic membrane of another.
The nucleus of a neuron is the organelle found inside the soma (cell body) that contains the genetic material (DNA). 3 people found this useful. Edit.Share to: 1  Biology 101: The Nucleus and Its Responsibilities The nucleus of a cell is like the heart and brain of a cell rolled in to one. The nucleus of a cell, however, as studied in 2  â¦. The Five Major Parts of the Brain At its most basic, the brain controls the body. 3  Electrical impulses are sent along the nervous system to and from the brain that regulate all movement. 4  The brain and the nervâ¦.