Thermoregulation is a process used to maintain body temperature within an optimum range. Describe how the human body maintains body temperature in both hot and cold weather ensuring you explain the mechanisms that are involved.
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Thermoregulation is a process used to maintain body temperature within an optimum range. Describe how the human body maintains body temperature in both hot and cold weather ensuring you explain the mechanisms that are involved.
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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.Figure (2) below, shows the relations between all factors that should be at minimat amount of body regulation to achieve thermal equilibrium, towards establishing the physiological basis of comfort. in the same Figure, symbol (B) represents: Celius 20 25 700 600 130 300 100 100 00 70 AMBIENT TEMPERATUREF 100 110 Figure (2) ORadiation O Convection OMetabolism Evaporation STUK BOOYLOSssor GAINIn mammals, body temperature is controlled by a structure in the brain called the hypothalamus. The hypothalamus is able to sense even slight variations in body temperature. This structure is responsible for bodily responses that include thirst, the activation of sweat glands, and the dilation of blood vessels near the skin. Each of these mechanisms works to restore body temperature to a normal range.
- During exercise in a hot and humid environment, the inability of the body to lose excess heat through evaporation increases: Group of answer choices Core temperature Risk of heat injury or heat illness Risk of dehydration Sweat rate All of the aboveTemperature and wind combine to cause heat loss. Hypothermia occurs when the body temperature falls more than 4 degrees F below normal. Death can occur if hypothermia persists for over 3 hours. According to the chart, in which of the following temperature and wind combinations would the body temperature be the lowest and a person most at risk for developing hypothermia?Subject: Environmental Physiology True or false: The process of an organism losing heat to the boundary layer decreases with wind speed.
- It is a process occurring inside the body that is responsible for maintaining core temperature of the body.Although hibernators drop their body temperatures, they do manage maintain a body temperature close to or slightly above ambient temperatures in their burrows. They generate or conserve heat in all of the following ways except one. Which is the one? Non shivering thermogenesis Ruffling the pelage Eating more Calories Bouts of intense shiveringCHOOSE THE RIGHT ANSWER :)) (MULTIPLE CHOICE) 1. Animals that rely much on the external heat sources and to ambient temperature. • Ectotherms • Endotherms • Mammals • Reptile 2. A condition wherein two objects in contact both have the same temperature. Thus no transfer of heat occurs. Thermal equilibrium Temperature Thermoregulation Temperature balance 3. Homeostasis is a system that controls an organism’s internal environment and maintains a stable, consistent state of qualities such as temperature and pH, which can be altered by either internal or external factors. Stimulus Thermoregulation Homeostatic Control Control Centre 4. Which one is the correct order of the homeostatic process?. • Stimulus, Receptors, Effect, Effectors, Control Centre • Receptors, Control Centre, Stimulus, Effect, Effectors • Stimulus, Receptors, Control Centre, Effectors, Effect • Control Centre, Effectors, Effect, Stimulus, Receptors
- Which of the following situations would MOST likely cause a human to collapse from overheating? Select the BEST answer from the choices provided below. O High temperature, low vapor pressure deficit O High temperature, low relative humidity O High temperature, low vapor pressure O All of these situations create similarly high risk for heat-related collapse.The human body is composed of water, proteins, fat, and minerals. Its specific heat reflects thiscomposition. With 75% water and 25% protein, what would be the specific heat of the body?Differentiate the three ways of heat transfer.Which of the following would increase the rate of heat exchange between an animal and its environment? feathers or fur wind blowing across the body surface vasoconstriction blubber or fat layer please help A researcher is setting up an experiment to measure basal metabolic rate in prairie voles (Microtus ochrogastera small rodent). Which of the following would be the best set of conditions for the voles immediately before and during the measurement? House the animals in a cage with plenty of food and water to avoid stress; conduct measurements in a warmer room than the room where housed. House the animals in a cage with no food for a few hours before measurement; conduct measurements in a room the same temperature as the room where housed. House the animals in a cage with plenty of food and water to avoid stress; conduct measurements in a room the same temperature as the room where housed. House the animals in a cage with no food for a few hours…