This unit taught us all about the circulatory system, the major components, specific parts, accessory organs, and much more. The cardiovascular system is a fluid filled network of tubes or vessels, through which materials move between the environment and the cells of a multicellular animal. Cardiovascular health is making sure that you keep your heart healthy. Theres several things that cause heart attacks, a heart attack is when blood supply to the myocardium is severely reduced, or stopped resulting in damage to the heart cells or death of heart cells. This is caused by one or more coronary arteries blocked, usually due to atherosclerosis. Stroke is a brain injury that occurs when blood supply to part of the brain is interrupted. This is also often caused by atherosclerosis, but can be caused by an aneurysm. To promote your cardiovascular health, you can control your blood pressure, stop smoking, control cholesterol, eat a healthy diet, drink alcohol in moderation, control diabetes, control your weight, exercise, manage your stress, and your genetic history. I think this unit was very interesting because it applies to our lives, and it helped me understand what happens when these things go wrong. Also it taught me ways of identifying these situations, which is important to know. This unit we did our first dissection, and it was helpful to actually see the parts of the heart it made it easier to understand how it works. For the remainder of the semester, I want to study more and the temp checks are very helpful, so its nice when we have them because it lets me know how much information I retained, so my goal is to study more and do better on tests.
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Sheep heart dissection
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| Heart Diagram |
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| Atherosclerosis |
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