Journal of Comparative Physiology B

, Volume 161, Issue 3, pp 231–236

Circulation, metabolic rate, and body size in mammals

  • Hanns-Christof Spatz
Article

DOI: 10.1007/BF00262303

Cite this article as:
Spatz, HC. J Comp Physiol B (1991) 161: 231. doi:10.1007/BF00262303

Summary

This paper attempts to explain Kleiber's rule, which relates metabolic rate of mammals to their body mass, from the structure and function of the blood circulation system.

Key words

Body size Metabolism Blood flow Heart frequency Respiration frequency 

Abbreviations

a

scaling factor

Δ

fractal dimension

Δ

hydrodynamic conductivity

ln

length of an arterial blood vessel at bifurcation level n

M

body mass

N

maximal number of bifurcation levels

p

pressure

Q

flow

r

size of Bohr effect

rn

radius of an arterial blood vessel at bifurcation level n

V

volume

VO2

rate of oxygen unloading

Zn

number of arterial blood vessels at bifurcation level n

Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • Hanns-Christof Spatz
    • 1
  1. 1.Institut für Biologie IIIUniversität FreiburgFreiburg i. Br.Federal Republic of Germany

Personalised recommendations