Psychology Applied Essay

Total Length: 656 words ( 2 double-spaced pages)

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Psychology

The nervous system is a part of an animal's body which is responsible for the coordination of voluntary and involuntary actions as well as the transmission of signals between different parts of the body. It is responsible for sending, receiving and the processing of nerve impulses all over the body. All the organs and muscles within the body rely upon the nerve impulses in order for them to function. The nervous system receives information from sense organs regarding the environment by means such as hearing, sight, smell, pressure, taste and pain. The nervous system consists of tow main parts; the central nervous system and the peripheral nervous system. The central nervous system comprises of the brain and the spinal cord. It is surrounded by the bone-skull and the vertebrae. The peripheral nervous system comprises of numerous neurons which are its functional units. The central nervous system is responsible for the issuing of nerve impulses and the analysis of sensory data. The peripheral nervous system is responsible for carrying nerve impulses to and from the body. The central nervous system therefore integrates information while the peripheral nervous system transmits both sensory and motor signals between the central nervous system and the rest of the body (Farr, 2002).
The endocrine system comprises of glands that secret hormone and other substances into the blood stream. There are various hormones secreted within the body by different glands that serve different functions. There are some hormones that are known to have an effect on the behavior and mood of an individual. Sex glands are part of the endocrine system which can lead to PMS in some women including depression, irritability and fatigue. The thyroid gland within the endocrine system makes people feel lazy and lethargic. Mood swings, mental sluggishness, depression, agitation, nervousness can be signs of an individual with an endocrine disorder. The hypothalamus is known to regulate thirst, hunger and other motivated behaviors. The hypothalamus is also part of….....

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