learn that by just increasing your pace, you could burn the same amount of calories as someone running as their physical activity?
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Chapter 3 discussed the importance of increasing your walking pace to achieve optimal health benefits. The chapter even discussed how walking at such increased speeds could help you burn calories like a runner. Was this information surprising to you? That is, were you surprised to learn that by just increasing your pace, you could burn the same amount of calories as someone running as their physical activity?
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- What is the carina? carina is the last segment of the trachea; irritants stimulating this structure will cause a cough reflex O The carina is where the pharynx splits into the esophagus and trachea O The carina is an opening to the middle ear O The carina is where the conducting zone turns into the respiratory zone O The carina is a ridge of bone in the nasal cavity Question 16 Into which organ of the alimentary canal is bile secreted? O liver O duodenum O gall bladder O stomach O ileumAfter a long, hot run together, your friend tells you that you should dunk your head into a cooler of water to lower your body temperature more rapidly, rather than sitting and waiting to cool down. What do you think? Form a hypothesis, about how the ice-cold water might affect the rate at which your body temperature returns to normal. How could you test your hypothesis? Explain your answer.You are designing an experiment to determine if you can make desert kangaroo rats active at noon. At noon the ground and air are warmer than the internal temperature of the rats. You decide to provide the kangaroo rats with enough water to ensure they can maintain body temperature homeostasis. Based on a simplified model, you determine that at noon, kangaroo rats: - Absorb 8 watts of radiation - Generate 1 watt of metabolic heat - Re-radiate 1 watt - Exchange a total of 2 watts with the surrounding desert ground and air via conduction - Exchange 4 watts through convective processes The kangaroo rat is not in energy balance. Since kangaroo rats lose 1 watt through latent heat (i.e. evaporative cooling) with each 2 ml of water consumed, how much water would you need to provide the kangaroo rat so that it can reach homeostasis? 04 8. O 12 O24 O 28 32
- What is the difference between hunger and appetite? A. Hunger is a physiological need to eat ; appetite is a feeling of what you want to eat B. Hunger refers to stomach sounds; appetite is a visual drive to eat C. Hunger is the desire to eat; appetite is the actual physiological process. D. Hunger is a physiological need to eat; appetite is a psychological desire to consume specific foodsRachel carson's famous book "silent spring" is related to what?What is one important function of melanin? A. Causes the skin to become cooler B. Absorbs harmful radiation C. Strengthens the skin or eyes D. Resets the diurnal biological clock E. Increases the amount of blood vessels
- . In the medical field, if you send a jolt of electricity to a patient to try to start their heart, you must wait before each jolt for it to charge. Why do you think this is? If you take a picture with a camera with flash, you have to wait a couple seconds before you can take another picture. Why do you think this is?The diagram shows an internal feedback mechanism that helps the body maintain homeostasis. Homeostasis in the Body Researchers tested blood sugar levels of 100 volunteers exactly two hours after eating a specific meal. Based on their ages, the volunteers were expected to have a healthy blood sugar level of less than 140 mg/dL. Approximately 10% of the volunteers had blood sugar levels higher than 140 mg/dL. Using the diagram, infer one possible cause for these high blood sugar levels. Raises blood sugar High blood sugar Glycogen Liver Stimulates glycogen breakdown Glucose Glucagon Lowers blood sugar Stimulates glycogen formation Insulin 0000 Tissue cells Stimulates glucose uptake from blood Low blood sugar Promotes insulin release Pancreas Promotes glucagon release The liver was not responsive to the glucagon that was produced. The body did not produce enough insulin to have the expected effect. The pancreas stopped glucagon production. The pancreas produced too much insulin.