What should happen to Body temperature ,Hydration Levels ,Blood glucose levels and Oxygen levels 30 minutes after completion of marathon? Is this an example of negative or positive feedback? Explain reasons
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What should happen to Body temperature ,Hydration Levels ,Blood glucose levels and Oxygen levels 30 minutes after completion of marathon? Is this an example of negative or positive feedback? Explain reasons
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- Riding a bicycle requires additional energy from leg muscles. Which of the following conditions may result from this activity, and which response helps restore the body to its normal condition? * decreased oxygen can be replaced by digesting an apple. increased carbon dioxide in the blood can be removed by breathing faster. increased sugars in the bloodstream can be diluted by drinking water. increased salt wastes can be removed by the heart. No answerRegular physical exercise is a great way to improve your overall well being. Exercise controls weight, improves mood, boosts your energy and metabolism, improves sex life and promotes good sleep. The physical activity is usually accompanied by increase in body temperature and sweating: 1- What is the reason for the increase in the body temperature? 2- Explain the relationship between sweating and body temperature and the significance of this feedback. 3- Identify the type of feedback system in this specific example, and define this feedback system. 4- Identify all the components of this particular feedback system and specify the body structures that represent each of these components. 5- Define each component of a feedback system according to whal you learned in your book. Use the Terminology that you learned whenever applicable to answer the discussion. Some online research will be helpful as well.Regular physical exercise is a great way to improve your overall well being. Exercise controls weight, improves mood, boosts your energy and metabolism, improves sex life and promotes good sleep. The physical activity is usually accompanied by increase in body temperature and sweating: 1- What is the reason for the increase in the body temperature? 2- Explain the relationship between sweating and body temperature and the significance of this feedback. 3- Identify the type of feedback system in this specific example, and define this feedback system. 4- Identify all the components of this particular feedback system and specify the body structures that represent each of these components. 5- Define each component of a feedback system according to what you learned in your book.
- During intense exercises and when muscles are working harder, our cells metabolize glucose rapidly resulting to oxygen molecules being quickly consumed. Which of the following becomes the human body's coping mechanism in response to limited oxygen supply? faster breathing and lower blood circulation slower breathing and faster blood circulation faster breathing and faster blood circulation slower breathing and slower blood circulationWhich of the following describes an example of a negative feedback loop that occurs during exercise? Decreased CO2 levels trigger an increased breathing rate which serves to bring the CO2 levels back down to normal levels None of these options are correct Decreased CO2 levels trigger an decreased breathing rate which serves to bring the CO2 levels back down to normal levels O Increased CO2 levels trigger an increased breathing rate which serves to bring the CO2 levels back down to normal levelsWhat are limiting factors for steady-rate aerobic metabolism? Select 3 correct answer(s) Fluid loss Adequate reserves of liver and muscle glycogen Electrolyte depletion Capacity of circulatory system to main perfusion throughout the body
- Jamie has fallen ill. Her body temperature has risen to high levels. Her blood pressure is high and her glucose level is low. In order for her body to return to homeostasis and for Jamie to feel better, the following events are taking place: Select all that apply Dilating blood vessels reduce blood pressure Lowering her body temperature by sweating Raise her body temperature by sweating Apply positive feedback to restore glucose levels in the blood stream by using the hormone glucagon which will raise blood sugar Apply negative feedback to restore glucose levels in the blood stream by using the hormone glucagon which will raise blood sugar Constricting blood vessels to increase blood pressureACTIVITY 2 Direction: Draw a Venn Diagram using this table. NEGATIVE FEEDBACK MECHANISM Most control mechanisms in the human body are negative POSITIVE FEEDBACK MECHANISM A positive feedback mechanism ENHANCES the original stimulus to ACCELERATE activity Integrator triggers a move in the SAME DIRECTION triggering an “explosive" response Positive feedback mechanisms are less common Ex. Blood clotting, childbirth (oxytocin) feedback mechanisms A negative feedback mechanism DECREASES the intensity of the stimulus and eliminates it When a variable is above or below set point, integrator triggers a move in the OPPOSITE DIRECTION to reach the set value Ex. Body temperature, blood pressure, pH and CO2 levels, blood glucose levels4. The graph in Figure 4 shows changes in blood glucose concentration after a meal. A B D E F. 150 Blood glucose concentration/ mg per 100 cm3 100 50 30 60 90 120 150 180 210 Time/minutes played hockey meal eaten FIGURE 4 a) Explain with respect to specific hormones, the changes in glucose concentration in EACH of the stages A to F. Clearly identify each stage.
- How is homeostatis maintained by the body system is related to diabetes in respiratory system? (ANSWER IN BULLET SENTENCES!! NOT PARAGRAPH!!)Identify the follow as either negative or positive feedback. The pancreas producing insulin to decrease blood sugar after a meal. Clotting factors in the blood triggering the release of more clotting factors after damage to a blood vessel. Contractions in childbirth resulting in labor and delivery.In the negative feedback system for regulation of body temperature. Identify the following. 1. Stimulus 2. Receptor 3. Control Center 4. Effector 5. Response