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.

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Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter38: Introduction To Animal Organization And Physiology

Section: Chapter Questions

Problem 8TYK

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ACTIVITY 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 levels
create your own diagram by illustrating how the positive and negative feedback mechanism works. You should use specific condition in the body like (temperature regulation, osmotic balance and glucose levels). Make your diagram creative and presentable by making use of colors and other art materials and don’t forget to put labels on your work.
Which of the following shows body homeostasis? I. The excretion of urine due to excess fluid in the body. II. The release of sweat in response to an increase in environmental temperature. II. The release of alkaline seminal fluid before sperm cells pass through the urethra. IV. The feedback functions of sympathetic and parasympathetic of the nervous system. O I, II, III, and IV O Il and IV only I and III only I, II, and IV only
During a cold snowy morning, Claire walks around the city a few meters away from her house. She starts shivering due to the cold environment. Due to the response of her body because of the intense cold, what type of feedback mechanism is it? 1. Positive 2. Negative
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 pressure
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 answer
1. What is homeostasis? 2. Identify the components of a negative feedback mechanism. 3. When does positive feedback mechanism occur in the body? 6. Which of the following internal control systems is responsible in gathering information about the conditions inside and outside of the body? A. communicating system C. sensor B. control center D. thalamus 7. When there is an increase in the sugar level, negative feedback occurs in our body. What organ is responsible for releasing insulin to lower the sugar level? A. brain B. heart C. kidney D. pancreas 8. Which is the following is the best description of homeostasis? A. Maintenance of body function. B. Maintenance of body functions at the optimum level at all times. C. Keeping the body in balance D. Multiple systems working cooperatively to maintain body function within normal limits. 9. In which direction does an impulse travel along a neuron? A. from axon to axon C. from dendrite to axon B. from axon to dendrite D.…
Joe is studying for ANP. He is relaxed and resting. He just ate a big meal, so his digestive organs are very active. Joe begins to exercise. What changes will his heart AND vasculature make to ensure that his active muscles get the extra O2 and glucose they need? Heart: Vasculature: Most blood vessels Arterioles and precapillary sphincters serving his digestive organs Arterioles and precapillary sphincters serving his active muscles This time, his muscles are active enough that he needs to increase his total body blood pressure. What stimulus causes the heart and vascular changes seen above? Using the terms “change in pressure” and “flow,” and comparing pressure in the arteries with that in the capillaries, and between capillaries perfusing the digestive organs vs those perfusing skeletal muscle, explain how/why these changes work to keep his muscles adequately fed. When Joe is preparing to shower after his workout, he suddenly remembers that he has a big exam in his…
This is all about the control and the balance of the body. What analogies can you come up with that are similar to the negative/positivefeedback mechanisms of the body? How do you think the various organ systems work in maintaining homeostasis?
Some athletes have drink beet juice (yes, juice from beets) to improve their endurance performance. Beet juice is known to contain high levels of a molecule called nitric oxide (NO) which may improve blood flow from lungs to working muscles by causing the dilation (widening) of blood vessels. Select the pair below that includes the most related subdiscipline and physiological system. O lungs / muscles O motor behavior / endocrine O sports nutrition / cardiovascular O biomechanics / cardiovascular O kinesiology/thermoregulation
1. What general type of feedback loop is this? Option a. This is actually no feedback here Option b. Negative feedback loop Option c. Neutral feedback loop Option d. Positive feedback loop Option e. Anticipatory feedback loop 2. In the feedback system shown above, what determines the set point? Option a. The salt content of the blood Option b. The amount of pressure on the wall of the heart Option c. The set point is directly determined by the amount of urine in the bladder Option d. There is no set point because it is positive feedback loop Option e. The set point is determined the amount of natriuretic peptide in the blood Option f. The kidneys 3. How is increased urine production likely to reduce blood volume Option a. Urine production reduces the number of blood cells produced by the bone marrow Option b. Increased urine production remove water from the blood, reducing blood volume Option c. Increased urine production induces a reduction in water absorb from the gut Option d.…
Part i) Label & describe what is happening at each letter in the following process. Part ii) List the 2 types of feedback systems. B A C Receptor IMBALANCE Control Center BALANCE D Effector IMBALANCE E

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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.