Describe the pathway of the deoxygenated blood through your heart. Start with the vessels that bring the blood and include each structure the blood passes through.
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Describe the pathway of the deoxygenated blood through your heart. Start with the vessels that bring the blood and include each structure the blood passes through.
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- Blood is pushed out of the heart through a large vessel, called the aorta. The aorta then divides into smaller and smaller blood vessels, eventually reaching vessels called capillaries. Capillaries are so small that oxygen and nutrients can diffuse across the vessel walls and into the tissues of the body, with CO2 and waste diffusing back into the blood. Let's say that the cross-sectional area of the aorta is 1 cm2 = 100 mm2. The blood pumps through the aorta at 100 mm/s but only through the capillaries at 1 mm/s. If each capillary has a cross-sectional area of 20 mm2, how many capillaries must there be in the body? Note: these numbers are not physiologically correct, but were chosen to make the math easier. The blood velocity through the aorta is closer to 300 mm/s. The capillaries have a total cross-sectional area of ~600,000 mm2 (6000 cm2), with a blood flow rate closer to 0.2 mm/s.Describe the path that blood takes through the heart and lungs.Name the protein secreted by the blood platelets for blood clotting
- In your own words explain the relationship between the structure and function of the the Heart, Cardiac Muscle Tissue, Red Blood Cell please include pictures and reference to information if possible thank you.Name the components of bloodWhich one of the following combinations of the organisation of cells, tissues and organs is correct? J K L M Cells Muscle Blood cell Tracheid Bone Tissue Nervous Muscular Vascular Connective Organ Eye Brain Stem Heart In humans, the circulatory system contains a number of different transport vessels including arteries, veins and capillaries. There are two different types of capillaries involved in transporting materials. Which one of the following statements correctly identifies the type of capillary with its function? J. Blood capillaries are responsible for absorbing digested fat molecules in the villi of the small intestine. K. Lymph capillaries transport important molecules including oxygen to the brain. L. Blood capillaries are involved in the exchange of gases in the alveoli of the lungs. M. Lymph and Blood capillaries are both responsible for transporting red blood cells to the heart.
- Blood clotting is one of nature's most elegant creations, but it sometimes goes awry. Use your knowledge of different types of blood cells and the chemical aspects of the clotting process to answer the following: 1. After getting his blood cell count, Josh was informed that his platelet count was low. What is a typical platelet count? How would Josh's low platelet count impact his hemostasis after getting a cut on his forearm? (Be very specific) 2. Briefly explain the different roles of the three stages of the intrinsic blood clotting pathway 3. Explain how any event that prevents plasminogen from becoming fully activated would lead to a thromboembolic disorder. Identify all the chemicals that directly activate plasminogen. 4. Identify the two most common types of the genetic disorder called hemophilia. Explain how each of two types of hemophilia result in impaired hemostasis. 5. Explain how the endocrine system contributes to the homeostasis of blood oxygen levels.One way of reducing risk of cardiovascular disease is to ensure you are getting lots of antioxidants in your diet. What antioxidants would you recommend and not recommend for someone at risk of cardiovascular disease that is also on medication that interferes with their blood’s clotting mechanism? Explain the reasons for your recommendations in one to two paragraphs. Also, list three medical conditions that can alter a person's vitamin requirements. Explain what vitamin/s would be affected and how they should alter their dietary from normal recommendations.My instructor has told us that dehydration leads to a drop in blood pressure due to low blood volume. I don't understand this concept because I thought dehydration leads to thicker blood which meant your heart had to work harder, i.e. higher blood pressure. Could you explain how it leads to LOW blood pressure instead?
- You are a red blood cell and you find yourself in the left atrium, from there you pass through the _____ into the ______. From there you will pass through the ______ and into the ______ as you start your journey through the systemic arteries. You very quickly get whisked into the left coronary artery. Yay! You will be delivering oxygen to the myocardium of the heart. Once you are done delivering oxygen to the myocardium you return to the inside of the heart via the ______ and enter the _______ Word Options for Blanks (some may not be used, some may be used more than once) aorta aortic valve bicuspid valve coronary sinus inferior vena cava left atrium left ventricle pulmonary arteries pulmonary trunk pulmonary valve pulmonary veins right atrium right ventricle superior vena cava tricuspid valveIn the blood there are red and white blood cells and platelets that are also called platelets. What cell type gives rise to the platelets and where is this cell type formedlist and describe the functions of blood.