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Ünit 7.3 Explore 1 pg 490-495 1. Explain -- Identify a change in your environment that might affect homeostasis. Explain using the terms stimulus, control center, set point, effectors, and imbalance in your answer.

Ünit 7.3 Explore 1 pg 490-495 1. Explain -- Identify a change in your environment that might affect homeostasis. Explain using the terms stimulus, control center, set point, effectors, and imbalance in your answer.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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E OL 7.3.1 Unit 7.3 Explore 1 pg 490-495 1. Explain -- Identify a change in your environment that might affect homeostasis. Explain using the terms stimulus, control center, set point, effectors, and imbalance in your answer. 2. Model -- Refer to the control system diagram shown in Figure 1 (pg 490) to draw a model that shows how sweating can help body temperature return to normal. You can complete this by going to Insert > Drawing > +New in the space below OR Draw your model on paper. Take a clear picture. Then insert the picture by going to Insert > Image > Upload OR Camera OR Drive) 3. Complete the statement about negative feedback loops with the following words: control center effectors receptors set point Shivering and sweating are two parts of the same negative feedback loop with temperature as the stimulus that triggers its activity. When replace with answer. In the skin and body core detect an imbalance in temperature, they said nerve impulses to the replace with answer. The information in these messages is interpreted, and more nerve impulses are sent to the replace with answer. if body temperature is below the replace with answer, these impulses are sent to the muscles to stimulate shivering. If body temperature is too high, the messages stimulate sweat glands to produce sweat. 4. Explain - Your body has its own internal thermostat. Humans need to maintain a body temperature between 36.7°C and 37.1°C. Identify two mechanisms that help maintain this narrow temperature range in the human body. Explain how each mechanism affects body temperature. 5. Complete the statement about positive feedback loops. Use the HIGHLIGHTER to select the best (blue) word that fits. Another example of a positive feedback loop in the body is birth. When it is time for the baby to be born, receptors | effectors in the mother's body stimulate the hypothalamus in her brain. The hypothalamus acts as a control center | stimulus | response, signaling cells in her pituitary gland to release the hormone oxytocin. Oxytocin acts on the muscles in her uterus, causing contractions. Oxytocin also acts on the placenta to cause the release of prostaglandins, which stimulate more uterine contractions. This process causes the hypothalamus to signal the pituitary gland to release less | more oxytocin, causing muscle contractions and prostaglandin production to increase | decrease. labor ends when the baby has been born and the placenta has been expelled. 6. Summary -- Look back through pages 490-495. Click this link and submit THREE statement: two TRUE statements and one FALSE statement about homeostasis and/or feedback loops. (Bio class version of 2 Truths & a Lie) 0..
Transcribed Image Text:E OL 7.3.1 Unit 7.3 Explore 1 pg 490-495 1. Explain -- Identify a change in your environment that might affect homeostasis. Explain using the terms stimulus, control center, set point, effectors, and imbalance in your answer. 2. Model -- Refer to the control system diagram shown in Figure 1 (pg 490) to draw a model that shows how sweating can help body temperature return to normal. You can complete this by going to Insert > Drawing > +New in the space below OR Draw your model on paper. Take a clear picture. Then insert the picture by going to Insert > Image > Upload OR Camera OR Drive) 3. Complete the statement about negative feedback loops with the following words: control center effectors receptors set point Shivering and sweating are two parts of the same negative feedback loop with temperature as the stimulus that triggers its activity. When replace with answer. In the skin and body core detect an imbalance in temperature, they said nerve impulses to the replace with answer. The information in these messages is interpreted, and more nerve impulses are sent to the replace with answer. if body temperature is below the replace with answer, these impulses are sent to the muscles to stimulate shivering. If body temperature is too high, the messages stimulate sweat glands to produce sweat. 4. Explain - Your body has its own internal thermostat. Humans need to maintain a body temperature between 36.7°C and 37.1°C. Identify two mechanisms that help maintain this narrow temperature range in the human body. Explain how each mechanism affects body temperature. 5. Complete the statement about positive feedback loops. Use the HIGHLIGHTER to select the best (blue) word that fits. Another example of a positive feedback loop in the body is birth. When it is time for the baby to be born, receptors | effectors in the mother's body stimulate the hypothalamus in her brain. The hypothalamus acts as a control center | stimulus | response, signaling cells in her pituitary gland to release the hormone oxytocin. Oxytocin acts on the muscles in her uterus, causing contractions. Oxytocin also acts on the placenta to cause the release of prostaglandins, which stimulate more uterine contractions. This process causes the hypothalamus to signal the pituitary gland to release less | more oxytocin, causing muscle contractions and prostaglandin production to increase | decrease. labor ends when the baby has been born and the placenta has been expelled. 6. Summary -- Look back through pages 490-495. Click this link and submit THREE statement: two TRUE statements and one FALSE statement about homeostasis and/or feedback loops. (Bio class version of 2 Truths & a Lie) 0..
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