Biological Psychology

Assignment 1 Biological Psychology September 27, 2012 Neurons ar very eventful carrells. There atomic number 18 several study parts to the nerve cell. such(prenominal) as the cell body, the cell body is where the warmth is located. The nucleus contains the chromosomes. The cell body is also filled with cytoplasm, which is a liquid gel that holds things in place in the cell body. The d dismissrites are also an classical part of the neurons. Dendrites are like elfin arms that come out of the cell body. They are utilise to receive and collect information from the new(prenominal) neurons. some separate important part of the neuron is the ax ace. The axon hillock is the root system of the axon where the action potential begins. The axon is a large bunghole that comes out of the cell body. It is used to send bosom impulses external to other neurons. On most axons at that place is bulb sheath. bulb sheath is insulation around the axon and it helps pep pill up the signal. The last major part of the neuron is the terminus buttons. That is the end of the axon and their function is to release the chemicals to communicate with the other neurons. opus the neuron is at rest, also called the resting potential, the neuron has a pull of -70mV. The negative charge is due to the fact the kibibyte pump. It pumps leash Na+ ions out of the neuron and lets two K+ into the neuron.

That helps the neuron to maintain its polarization of the cell. The denseness gradient is the struggle of ions and charges in and around the neuron. When there is a high concentration of ions in one area they will diffuse in other areas. Diffusion is when a molecule goes t o an area where there is slight concentrati! on, and it eventually spreads out evenly. Just like a get around of food coloring in a glass of water. When the neuron begins to depolarize that is when the action potential begins. It begins at the axon hillock. The to a greater extent a neuron is stimulated the more the Na+ carry will brusk up, and the more Na+ will place the cell. At one point the neuron will run low so...If you desire to get a full essay, order it on our website: OrderEssay.net

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