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Epinephrine System Lab Report

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The cardiovascular system is the most important system in our body. Without the vital functions that the circulatory system performs, the human body would have no way of transporting blood to vital organs or the ability to transport oxygen and nutrients to cells in order to remove waste. This whole system plays a major role in maintaining physiological homeostasis (Farley and McLafferty, 2012). Understanding cardiac function plays a vital role in understanding how human physiology and anatomy coexist. How is cardiac function regulated?
Nerves have the main function of transmitting signals between the brain and the body through electrical impulses and neurotransmitters. Through the parasympathetic components of the autonomic nervous system, …show more content…

A neurotransmitter is a chemical that is released in order to send a signal to another neuron across a synapse. During this experiment acetylcholine was used and it is a neurotransmitter that is released from all parasympathetic postganglionic fibers (Sherwood,2016). The main function of acetylcholine is the activation of skeletal muscles and glandular functions in the endocrine system. Another neurotransmitter utilized was epinephrine. Epinephrine is the primary hormone that prepares the body for fight or flight responses and regulates arterial blood pressure in situations with adrenaline (Medicine.net, 2017). Although not necessarily a neurotransmitter, atropine sulfate was used in this study as well and it does closely effect acetylcholine. More specifically, atropine sulfate is a parasympatholytic agents that interacts with muscarinic receptors on effector cells which then prevents acetylcholine form binding to the receptor site (Kovalcuka et al., 2015). Baroreceptors also played a key role within this experiment. The primary role of baroreceptors is to sense pressure changes and to respond to change of tension in the arterial wall which helps in regulation of blood

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