Biology

Biology, 03.08.2019 21:30, victoriapellam04

When exposed to extreme heat, the human body relies on to absorb excess heat and maintain normal body temperature?

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Biology, 27.06.2019 12:30, 1940swannabe

How does sweating to cool and regulate body temperature? a) the increased salt concentration of the body's cells maintain a lower body temperature. b) water has a high heat of vaporization; the human body can dissipate excess heat by the evaporation of sweat. c) the low specific heat of water allows it to readily evaporate into the atmosphere, quickly cooling your body. d) water's cohesive properties cause water molecules to stick together requiring the body's thermal energy to evaporate sweat into the air.

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Physics, 05.07.2019 17:30, robertbyrd2017

If the air temperature is the same as the temperature of your skin (about 30 ∘c), your body cannot get rid of heat by transferring it to the air. in that case, it gets rid of the heat by evaporating water (sweat). during bicycling, a typical 72.0 kgperson’s body produces energy at a rate of about 501 w due to metabolism, 78.0 % of which is converted to heat. [recall that the normal internal body temperature is 98.6 ∘f and the specific heat capacity of the body is 3480 j/(kg⋅∘c) .]part aby how much would the body temperature of the bicyclist increase in an hour if he were unable to get rid of the excess heat? δt = ∘c submitmy answersgive uppart bfind out, how high a fever would it be equivalent to, in ∘f? t = ∘f submitmy answersgive uppart cis this temperature increase large enough to be serious? choose yes/no

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Biology, 20.07.2019 13:00, dinapearce1403

Heat is a byproduct of muscle activity. this heat allows a) microorganisms to exist in extreme climates. b) cold blooded creatures such as reptiles to inhabit cold regions. c) the human body to maintain its internal temperature in hot weather. d) the human body to maintain its internal temperature in cold weather.

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Biology, 14.09.2019 05:30, brittanysanders

Why is it more difficult to lose excess body heat on a hot day? a. because as air temperature gets closer to body temperature, heat transfer from the warmer body to the cooler air by convection slows b. because blood circulation nearing the skin gets warmer rather than getting cooler c. because very hot air causes heat stroke, where the body's mechanisms for losing heat shut down d. because you gain heat from the outside e. because as air temperature gets closer to body temperature, heat loss from the body to the air by evaporation slows

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