How The Structure And Function Of Biology Affect The Nervous System Essays

How The Structure And Function Of Biology Affect The Nervous System Essays

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The actions and thought process of an individual can be affected by the functions within the body being interrupted. Biopsychology is the study of how the structure and function of biology, specifically the nervous system, is linked to an individual’s behavior (OpenStax, 2016). The nervous system houses the brain and is responsible for releasing signals from neurons to different parts of the body through neurotransmitters, which are chemicals that carry messages to their matching receptors throughout the nervous system (OpenStax, 2016). A disruption in the messages sent throughout the body can interfere with the function of the nervous system. An example of how a disruption in the nervous system can take place and affect the behavior of an individual is the use of addictive drugs.
The effects that can occur are based on whether the drug is an agonist or an antagonist. Agonists work by chemically imitating the neurotransmitter as it connects to the receptor, therefore strengthening its effects (OpenStax, 2016). One type of drug that has the characteristics of an agonist is a depressant. All depressants affect the gamma-Aminobutyric acid neurotransmitter system (OpenStax, 2016). Because the gamma-aminobutyric acid suppresses the brain, depressants also suppress the brain because they act as an agonist by mimicking the neurotransmitter. Those who continuously take depressants become dependent and therefore addicted to the drug due to its ability to increasingly calm the nerves of an individual. Another example of an agonist is opioids. Opioid agonists attach to the endogenous opioid neurotransmitter system and aid in decreasing pain (OpenStax, 2016). Because humans already have a system in their body that functions to reduce pain, i...


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...usal or lack thereof one may receive from using a drug, the drug still negatively affects the entire human body. The effect drugs have on the body is like The Domino Effect. First, the neurotransmitters that bind to matching receptors in order to carry out the correct function of the neurotransmitter system are either blocked or enhanced. The incorrect attachment of the neurotransmitter to the receptor has an effect on the behavior of an individual. As this incorrect bond continuously occurs, it disrupts several other functions of not just the nervous system, but the many other systems that make up the human body. The more systems that stop working correctly, the higher risk a person has for health issues and death. Although one may enjoy the feeling that goes along with using drugs, it is not worth the potentially life-changing effects that drugs have on the body.

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