In this unit, I learned about how various lifestyle choices can directly impact one's circulatory and respiratory system. The respiratory removes small particles from entering the body and includes the nose, pharynx, bronchioles, trachea, and lungs. On the other hand, the circulatory system includes the heart, small/large intestines, and kidneys, where it specializes in regulating pH, transferring nutrients to different parts of the body, and providing the blood with oxygen. When one rarely exercises, bombards his or her diet with large amounts of unhealthy fats (omega 6) and salt, it puts the individual at a greater risk for high blood pressure, aneurysm, atherosclerosis, stroke and other harmful diseases. By consuming more Omega 6 instead of Omega 3 and filling your diet with healthier cholesterol, one can increase HDL in the bloodstream, which can actually decrease the amount of harmful cholesterol, LDL. Overall, I really enjoyed this chapter since I was able to learn a lot about the circulatory and respiratory system; I found it really interesting that men and women had such different stroke symptoms since I perceived that the same disease would affect everyone in the same way.
While I understood the majority of the chapter, I found it difficult to memorize the different parts of the heart and which part was responsible for what function. While the sheep heart dissection was helpful in having me learn which parts were responsible for what function, it was still kind of difficult to learn which part went where because the actual heart differed greatly from the diagram.
After Unit 2, I realized that I definitely needed to sleep more because I was averaging about 5-6 hours of sleep nightly. Overall, I've realized that I've been sleeping around 6-7 hours nightly; in order to be less sleep-deprived, I intend on waking up slightly later or taking more naps in the afternoon.
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