BIOLOGY (LL)
5th Edition
ISBN: 9781264115495
Author: BROOKER
Publisher: MCG
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Chapter 47, Problem 6TY
Summary Introduction
Introduction: Vertebrate animals regulate temperature homeostasis by various kinds of thermoregulation processes. For meeting the energy requirements of the body, the body needs to burn calories per unit time.
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Which of the following statements about energy balance is correct?
In a non-exercising subject that is in a state of positive energy balance:
A. Energy in exceeds energy out
B. Excess energy is stored mainly as bodyfat
A is true, B is true;
A is false, B is false;
A is false, B is true;
A is true, B is false.
In a fully grown animal (i.e., one that is not growing), ingested energy becomes
O excreted chemical energy + absorbed chemical energy.
O heat + chemical energy accumulated in body tissues.
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O heat + absorbed chemical energy.
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A.
Water makes up about 60% of the adult human weight and is not caloric.
B.
Essential nutrients are dissolved in water.
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Water regulates body temperature.
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Water is needed for various metabolic processes in the body.
Chapter 47 Solutions
BIOLOGY (LL)
Ch. 47.2 - Prob. 1CSCh. 47.2 - Prob. 2CSCh. 47.3 - Can the relationship between body size and...Ch. 47.3 - What observation led to the experiments conducted...Ch. 47.3 - CoreSKILL How did the experimental linking of the...Ch. 47.3 - Prob. 3EQCh. 47.4 - Prob. 1CCCh. 47 - Prob. 1TYCh. 47 - Gluconeogenesis a. occurs when the liver...Ch. 47 - Prob. 3TY
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- What is thermoregulation and why is it necessary for the human body to function properly? List two physiological responses the human body takes to when its core temperature gets too high. Briefly explain how each works to reduce core temperature. Explain why one of these responses will not work if the air temperature is extremely high. Explain why one of these responses will not work if the relative humidity is extremely high.arrow_forwardPredict what would happen to the metabolic rate of the mouse if you increased the temperature. Predict what would happen to the metabolic rate of the mouse if you decreased the temperature (You can make this prediction with text or with lines on your graph). Support your prediction with evidence about endotherms and ectotherms. (Hint: Think about what happens to your body when you get hot or cold.)arrow_forwardDefine what is Internal Regulation Illustrate the body’s mechanism in temperature regulation Compare through illustration homeostasis and allostasis Don't forget to include the references. Thank you!arrow_forward
- Please construct a model to show that the digestive, respiratory, and circulatory systems work together to supply the body cells with the glucose and oxygen needed for aerobic cellular respiration. Feel free to use words, diagrams, arrows, flowcharts, etc. to get your ideas across. Make sure you include the following information: Digestion of starch into glucose and the location(s) of digestion. Absorption of glucose into the blood and the location of absorption. Blood transporting glucose from the absorption site to the tissues. Glucose entering the tissue cells from the blood. O2 entering the blood in the lungs and the specific location of entrance in the lungs. Blood transporting O2 from the lungs into the tissues. O2 enters the tissues from the blood.arrow_forwardAre the following statements true or false? A. Most of the energy stored in the human body is in the form of fat, followed by protein. The body has only limited capacity for storage of carbohydrate. B. It is estimated that one kg of fat gain requires 2500 kcal of energy surplus. A is true, B is true O A is false, B is true A is true, B is false O A is false, B is falsearrow_forwardOne among the following statements is true regarding temperature regulation: A. Excess blankets or bed coverings interfere with heat loss through radiation and conduction. B. Wet bed linen or gowns promote with convection and conduction. C. Coverings interfere with heat conservation. D. All of the above ationale:arrow_forward
- Some animals adjust their temperature by absorbing heat from their environment. These ectotherms ("cold blooded"), such as a snake or turtle, control temperature by moving to the sun or into the shade. As a result, their temperature fluctuates considerably through the day and night. Other animals generate heat internally. These endotherms (mammals and birds) burn fat and sugar to convert them to heat and so stabilize their body temperatures. Draw energy diagrams for the following processes: 9 10 beisibni yhsalb 20 eere v coubjere a) A snake warming up by basking in the sun erdd asbulani iorlt megsib yaena nago nA b) A boy warming up by running frog cooling down by hiding behind a rock biloz to assig s gnimeW (s 00s yilsitini soi gnidism ylisihe9 (d ) A dog avoiding overheating by pantingarrow_forwardName the primary sources of ATP for:a. Immediate energy for a few secondsb. Energy extending to about 15 secondsc. Energy for up to 1 minute.d. Energy extending for around an hour of exercise and beyond.arrow_forwardSkeletal muscles account for approximately 43% of the typical body mass. At rest, they use about 18% of the BMR. Of the total energy burned by the skeletal muscle, only 25% is used for work, and this is the muscular efficiency. What happens to the remaining 75% of energy? Choose the best answer. It is reabsorbed and stored for later use. It is transferred as electrical energy from the muscle to muscle. It is converted to heat to warm the body. It is used to make more ATP.arrow_forward
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