17.47 • BIO "The Ship of the Desert." Camels require very little water because they are able to tolerate relatively large changes in their body temperature. While humans keep their body temperatures constant to within one or two Celsius degrees, a dehydrated camel permits its body temperature to drop to 34.0°C overnight and rise to 40.0°C during the day. To see how effective this mechanism is for saving water, calcu- late how many liters of water a 400 kg camel would have to drink if it attempted to keep its body temperature at a constant 34.0°C by evapo- ration of sweat during the day (12 hours) instead of letting it rise to 40.0°C. (Note: The specific heat of a camel or other mammal is about the same as that of a typical human, 3480 J/kg • K. The heat of vapor- ization of water at 34°C is 2.42 X 10° J/kg.)
17.47 • BIO "The Ship of the Desert." Camels require very little water because they are able to tolerate relatively large changes in their body temperature. While humans keep their body temperatures constant to within one or two Celsius degrees, a dehydrated camel permits its body temperature to drop to 34.0°C overnight and rise to 40.0°C during the day. To see how effective this mechanism is for saving water, calcu- late how many liters of water a 400 kg camel would have to drink if it attempted to keep its body temperature at a constant 34.0°C by evapo- ration of sweat during the day (12 hours) instead of letting it rise to 40.0°C. (Note: The specific heat of a camel or other mammal is about the same as that of a typical human, 3480 J/kg • K. The heat of vapor- ization of water at 34°C is 2.42 X 10° J/kg.)
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![17.47 BIO “The Ship of the Desert." Camels require very little
water because they are able to tolerate relatively large changes in their
body temperature. While humans keep their body temperatures constant
to within one or two Celsius degrees, a dehydrated camel permits its
body temperature to drop to 34.0°C overnight and rise to 40.0°C during
the day. To see how effective this mechanism is for saving water, calcu-
late how many liters of water a 400 kg camel would have to drink if it
attempted to keep its body temperature at a constant 34.0°C by evapo-
ration of sweat during the day (12 hours) instead of letting it rise to
40.0°C. (Note: The specific heat of a camel or other mammal is about
the same as that of a typical human, 3480 J/kg• K. The heat of vapor-
ization of water at 34°C is 2.42 X 10° J/kg.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faff2315f-08ce-464c-ad39-cd3c1db32485%2Fc546567d-89b1-4c00-9dc6-0ec5a2b1b897%2F5fwhjgo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:17.47 BIO “The Ship of the Desert." Camels require very little
water because they are able to tolerate relatively large changes in their
body temperature. While humans keep their body temperatures constant
to within one or two Celsius degrees, a dehydrated camel permits its
body temperature to drop to 34.0°C overnight and rise to 40.0°C during
the day. To see how effective this mechanism is for saving water, calcu-
late how many liters of water a 400 kg camel would have to drink if it
attempted to keep its body temperature at a constant 34.0°C by evapo-
ration of sweat during the day (12 hours) instead of letting it rise to
40.0°C. (Note: The specific heat of a camel or other mammal is about
the same as that of a typical human, 3480 J/kg• K. The heat of vapor-
ization of water at 34°C is 2.42 X 10° J/kg.)
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