Question: 1. Water and blood move down their hydrostatic pressure
gradients; therefore to convectively move…


1. Water and blood move down their hydrostatic pressure
gradients; therefore to convectively move both blood and water,
animals adjust ____________ to create a pressure gradient based on
Boyle’s Law

2. Fick’s Law of Diffusion (Vo2=(A·T-1)·D·(P1-P2)) determines
the movement of oxygen across the gas exchange surfaces of
animals.Describe the six requirements for diffusion of oxygen.
Which of these requirements is not a problem for water breathers,
but contributes to insensible water loss in air breathers? Which of
these requirements is met to the highest degree in birds where the
gas exchange surface (parabronchi) does not change in volume with
each breath?

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