Discussion Post 3 biology homework help

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Discussion Post 3 biology homework help

Discussion Post #3

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https://owl.english.purdue.edu/owl/resource/560/10/ (Links to an external site.)

Online discussion: Construct responses to two of the following discussion questions. As always, keep your responses scientific, and justify using information from scientific sources. If a question is marked required, then of course you must answer that particular question, but may choose amongst the others.

Required: Compare the mechanism of a stroke to the mechanism of a heart attack / coronary artery obstruction. Use terminology from the chapter PowerPoint presentations in your response. Post your comparison on the Canvas discussion board.

Examine Figure 5.8 on page 101 of the text. Relate the arteries to arterioles to capillaries section of the graph to plumbing and water pressure. Discuss what happens when water is forced through a garden hose. How do you increase the pressure of the water coming out the end of a hose? If the water pressure in the shower in your home is low, how would you increase it? What kinds of pressure must there be at the source of the water for your home? Relate the capillaries of venules to veins section of the graph to streams and rivers. Why does a heavy rainfall result in such a torrent of water in a river?

Read BIOLOGY MATTERS-Health “New Information About Preventing Cardiovascular Disease” see page 108. Answer the following questions: How has recent research revised the idea that consumption of alcohol is bad for the health of your heart? Resveratrol is being investigated by pharmaceutical companies as a way to prevent cardiovascular disease. Have the benefits of reservatrol therapy been demonstrated in controlled studies? You may do internet research to identify and report on the results of published studies in scientific journals.

Discuss the use of stem cells from the blood in the treatment of leukemia and other blood diseases. How successful is this? How is it done? What types of stem cells are used? Why would parents choose to save cord blood? What diseases can be treated with cord blood? What are the costs associated with saving cord blood?

NOTE: Your response should not merely quote or paraphrase the content in the course text. You are expected to analyze and expand upon the information in the text. You are expected to properly cite all sources used to prepare the responses, according to APA formatting guidelines. Each response should be a minimum of 150 words, although top responses will likely be longer. For each discussion forum topic, each student must also respond to a minimum of two classmates’ responses.

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