Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Transcribed Image Text:What are the major energy stores of the body, that are used as substrates for fuel
during exercise? Be specific.
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- Shivering is an involuntary response to lowered body temperature. What is the efficiency of the body when shivering, and is this a desirable value?arrow_forwardDoes Blood Lactate accumulate at each level of exercise?arrow_forwardAfter strenuous exercise, you may notice that your muscles burn and feel sore the next day. Which statement best explains this phenomenon? (a) Proteins in muscle cells are being digested to provide energy. (b) Carbon dioxide is building up in muscle cells and changing their pH. (c) Spontaneous combustion occurs during strenuous exercise, so avoid it at all costs! (d) ATP is accumulating in muscle cells, causing a burning sensation. (e) Without adequate oxygen, muscle cells are fermenting pyruvate into lactic acid.arrow_forward
- During maximal exercise RER will not rise above 1.0 due to the buffering of lactic acid which provides additional CO2 above that produced from the use of carbohydrates: Group of answer choices True Falsearrow_forwardConsider a 96 kg adult, who is overweight. Weight loss would improve their general health and wellbeing. If 35 % of the body mass of this 96 kg adult consists of TGs (in adipose tissue), what is the total available fuel reserve, in kJ and kcal, in the form of TGs? Assume energy value of TGs = 37.4 kJ/g 1 kJ = 0.239 kcalarrow_forwardHow many ATP molecules are made after the aerobic respiration and what is the net energetic gain of the process?arrow_forward
- In the three different energy systems, name the energy compounds, and which systems are stressed during exercise of different intensitiesarrow_forwardWhen does the bulk of ATP regeneration primarily occur? At rest During interval training In the glycolytic system With gluconeogenesisarrow_forwardLactic acid that is produced during glycolysis is responsible for muscle fatigue. True Falsearrow_forward
- In absolute terms, fat oxidation _____ as exercise intensity increases from low to moderate levels, although the percentage contribution of fat may actually ______. Group of answer choices pick one only increases; increase increases; decrease decreases; increase decreases; decreasearrow_forwardI played field hockey for 1 hour and my Fitbit Watch says that I expended 1,085 Calories. If triglycerides in my adipose (fat) cells powered all that activity, how may grams of fat were consumed in powering that exercise? (Hint: the Calorie Content of Fats you determined in Lab Exercise 9A was 8.9 Calories/g): Show your calculation…arrow_forwardList (in order) the steps of aerobic respiration when glucose is oxidized as the fuel source and briefly describe what is happening during each step.arrow_forward
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