On the face of it, it's pretty absurd. If a human has an average heart rate of 70 beats per second and an average lifetime that is 10 times that of a dog, the dog's average heart rate would be 700 beats/sec. Don't think so.
Ed __________ Ed Angel Chair, Board of Directors, Santa Fe Complex Founding Director, Art, Research, Technology and Science Laboratory (ARTS Lab) Professor Emeritus of Computer Science, University of New Mexico 1017 Sierra Pinon Santa Fe, NM 87501 505-984-0136 (home) [email protected] 505-453-4944 (cell) http://www.cs.unm.edu/~angel http://artslab.unm.edu http://sfcomplex.org On Oct 23, 2011, at 1:41 PM, glen e. p. ropella wrote: >> From Scaling and Invariants in Cardiovascular Biology John K-J.Li: > > "the total number of heart beats in a mammal's lifetime is invariant." > > Since we had the discussion of beatless heart pumps and because I have > nobody local to argue with about these things, I thought I'd ask y'all. > A friend of mine reminded me of this (seemingly false to me) invariant > the other day while discussing the life expectancy of the new kitten > they adopted. > > My question is whether or not it's believable given the large variance > and lack of data in such measures. And although I reluctantly accept > the scaling relationship between basal metabolic rate and mass, it seems > pretty questionable to claim that BRM is a linear composition. > > Does anyone have any cites validating or refuting that mammals, across > scales, have the same number of heart beats over their lifetime? Am I > just being stubborn? > > -- > glen e. p. ropella, 971-222-9095, http://tempusdictum.com > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > lectures, archives, unsubscribe, maps at http://www.friam.org
============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org
