Blood vessels regulate temperature: vertebrates

1 of 1 Hares cool through ear blood vessels / Chris Chapma.. / License

The blood vessels of vertebrates regulate temperature by allowing more blood to flow to the skin when cooling is needed and restricting blood flow to the skin when heat must be conserved.

Biomimicry Taxonomy

	Maintain physical integrity >
	Regulate physiological processes >
	Homeostasis

Biomimetic Application Ideas

Home and business electronic systems that integrate components and have a shared "vessel" system for heating and cooling; eco-industrial parks that integrate businesses with a diversity of heating and cooling needs; planning cities to capture and optimize the use of heat given off by various buildings, processes and utilities; more efficient cooling systems for power plants.

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[Collapse all sections] Summary

"Blood vessels bring nourishment to the skin, and help to control body temperature. When the body is warm the blood flows more copiously towards the skin, giving off heat to the cooler air outside; it flows even more strongly when the body is being exerted, so someone taking exercise on a warm day will be 'flushed' from the extra blood passing through the skin for cooling. Conversely, in cold weather small valves may close to restrict the blood supply to the skin and hence conserve heat within the body." (Foy and Oxford Scientific Films 1982:77)

About the inspiring organism

Vertebrata
Vertebrata

Organism/taxonomy data provided by:
Species 2000 & ITIS Catalogue of Life: 2008 Annual Checklist

Bioinspired products and application ideas

Application Ideas: Home and business electronic systems that integrate components and have a shared "vessel" system for heating and cooling; eco-industrial parks that integrate businesses with a diversity of heating and cooling needs; planning cities to capture and optimize the use of heat given off by various buildings, processes and utilities; more efficient cooling systems for power plants.

Industrial Sector(s) interested in this strategy: Electronics, eco-industrial parks, urban planning, utilities

CloudSolar - Solar Heating

References

Foy, Sally; Oxford Scientific Films. 1982. The Grand Design: Form and Colour in Animals. Lingfield, Surrey, U.K.: BLA Publishing Limited for J.M.Dent & Sons Ltd, Aldine House, London. 238 p.

Hill RW; Veghte JH. 1976. Jackrabbit ears: surface temperatures and vascular responses. Science. 194(4263): 436-438.

Hill RW; Christian DP; Veghte JH. 1980. Pinna temperature in exercising jackrabbits, Lepus californicas. Journal of Mammology. 61(1): 30-38.

Mohler FS; Heath JE. 1988. Comparison of IR thermography and thermocouple measurement of heat loss from rabbit pinna. American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 254(2): 389-395.

Wathen P; Mitchell JW; Porter WP. 1971. Theoretical and experimental studies of energy exchange from jackrabbit ears and cylindrically shaped appendages. Biophysical Journal. 11(12): 1030-1047.

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Occupation: Sustainability
Location: Sint-Oedenrode, Netherlands

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