Straighterline Anatomy and Physiology 2 Lab BIO202L Lab 10|Blood and the Heart Worksheet 2023 Questions and Answers
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Course
Straighterline Anatomy and Physiology 2
Institution
Straighterline Anatomy And Physiology 2
Lab 10 Blood and the Heart BIO202L
Straighterline Anatomy and Physiology 2 Lab
BIO202L Lab 10 Blood and the Heart Worksheet
2023
Pre-Lab Questions:
1. Research the process of erythropoiesis, and explain the role erythropoietin plays. Why
is this a popular “doping” drug for athletes?
E...
Lab 10 Blood and the Heart BIO202L Straighterline Anatomy and Physiology 2 Lab BIO202L Lab 10 Blood and the Heart Worksheet 2023 Pre-Lab Questions: 1. Research the process of erythropoiesis, and explain the role erythropoietin plays. Why is this a popular “doping ” drug for athletes? Erythropoiesis is the process of red blood cell production in the bone marrow. Erythropoietin (EPO) is a hormone that stimulates this process, mainly produced in the kidneys in response to low oxygen levels in the blood. Athletes misuse EPO as a "doping" drug because it increases red blood cell count, enhancing oxygen delivery to muscles and improv ing endurance. However, such use is prohibited and unsafe, as it can lead to severe health risks and potential complications. 2. How would the hemoglobin content differ in a person living in Philadelphia (Elevation: 39 feet) compared to someone living in Den ver (Elevation: 5280 feet)? Why? The hemoglobin content in a person living in Denver (elevation: 5280 feet) would likely be higher than that of a person living in Philadelphia (elevation: 39 feet). This is because living at higher altitudes, such as Denve r, leads to lower oxygen levels in the air. In response to the reduced oxygen availability, the body compensates by producing more hemoglobin, the protein responsible for carrying oxygen in the blood, to improve oxygen -carrying capacity and adaptation to t he higher altitude conditions. Experiment 1: Heart Valves and Pumps Table 2: Experimental Observations Observations (with valve) and mL H 2O Observations (without valve) and mL H 2O Displaced? Displaced? When pressure is applied, a smaller volume When pressure is applied, a larger volume of of water is displaced. water is displaced. Lab 10 Blood and the Heart BIO202L Post -Lab Questions 1. What happened when you pressed on the balloon stretched over the jar? What does this result represent? Squeezing a balloon against a jar created significant pressure, which pushed the water up the straw, demonstrating the heart's operation. 2. What structure in this experiment mimics a heart valve? The stretched portion of the balloon that was cut off after be ing placed over the jar. 3. How did the valve influence the experimental results? If possible, indicate the difference (in mL) in water displaced with the valve versus without the valve. Does the valve enhance the water flow, and why? The presence of the va lve had an impact on the experiment's results due to the increased pressure inside the canning jar. This higher pressure caused more water to be pushed up into
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