Physics, 06.12.2019 00:31, ZachLaVine2016
(a) a 70-kg person at rest has an oxygen consumption rate qhum = 14.5 liter/h, 2% of which is supplied by diffusion through the skin. assuming that the skin surface area of this person is ahum = 1.7 m2 , calculate the diffusion rate for oxygen through the skin in units of liters/(h cm2 ).
(b) what is the maximum diameter of a spherical animal, whose oxygen consumption at rest can be supplied entirely by diffusion through its skin? make the following assumptions:
i. the density of animal tissue is rho = 1 g/cm3 .
ii. at rest, all animals require the same amount of oxygen per unit volume.
iii. the diffusion rate for oxygen through the skin is the same for all animals.
Answers: 1
![fd=1.7058\times 10^{-5}\ L.hr^{-1}.cm(b) [tex]r=26.008\ cm](/tpl/images/0405/4478/d2142.png)
∴
![fd=1.7058\times 10^{-5}\ L.hr^{-1}.cm(b)Surface area for a spherical animal:[tex]A=4.\pi.r^2](/tpl/images/0405/4478/86cc5.png)
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(a) a 70-kg person at rest has an oxygen consumption rate qhum = 14.5 liter/h, 2% of which is suppli...
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