Dtorbert_Module 03 Reflection Assignment - Cardiovascular System_07232023

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Dec 6, 2023

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Module 03 Reflection Assignment - Cardiovascular System Dameshia Torbert Rasmussen University MA242/BSC2089C Section 09 Human Anatomy and Physiology II Melissa Haworth July 23,2023

Anatomical concepts The vascular system is a complex network of blood vessels that include arteries, veins, and capillaries. Arteries carry oxygen-rich blood away from the heart to various parts of the body, while veins transport oxygen-poor blood back to the heart. Capillaries are tiny blood vessels that connect arteries and veins, allowing for the exchange of nutrients, gases, and waste products between the blood and tissues. Arteries have thick walls composed of three layers - an inner endothelium, a middle layer of smooth muscle and elastic tissue, and an outer layer of connective tissue. Veins have thinner walls with less smooth muscle and more connective tissue compared to arteries. Capillaries consist only of a single layer of endothelial cells which allows for easy diffusion of substances. Physiological concepts The physiological concepts associated with the vascular system include blood flow, blood pressure, and vascular resistance. Blood flow refers to the movement of blood through the arteries, capillaries, and veins. It is influenced by factors such as cardiac output and peripheral resistance. Blood pressure is a measure of the force exerted by blood against the walls of blood vessels. It is regulated by various mechanisms including neural control, hormonal regulation, and local factors. Vascular resistance refers to the opposition to blood flow due to friction between the moving blood and the vessel walls. How will you apply the concepts you have learned about the heart in real life and in your future career In real life, understanding the concepts of the heart will allow me to make informed decisions regarding my cardiovascular health. I can assess my risk factors based on my knowledge of heart anatomy and physiology and take appropriate actions to maintain a healthy heart through diet, exercise, and stress management. In my future career as a healthcare professional, such as a nurse or doctor, applying these concepts is crucial in diagnosing and treating patients with cardiovascular diseases. Knowing how the heart functions allows for accurate interpretation of diagnostic tests like electrocardiograms or echocardiograms. It also helps in prescribing appropriate medications and lifestyle modifications to manage conditions like hypertension or heart failure. Most valuable topic The most valuable topic within this module for me has been understanding the electrical conduction system of the heart. Learning about how electrical signals are generated and transmitted through different parts of the heart has helped me comprehend various cardiac arrhythmias and their potential implications on overall heart function. Topic I struggled with One topic that I struggled to understand initially was the anatomy of blood vessels. Understanding the differences between arteries, veins, and capillaries was challenging due to the sheer number of vessels and their intricate branching patterns throughout the body. However, with time and repetition, I was able to grasp these concepts better by using diagrams and visual aids for reference.

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