At which point(s) in the figure below would the blood have the highest concentration of CO₂? 
Definitions:
Differentially Permeable Membrane
A membrane that selectively allows certain substances to pass through it while keeping others out.
Concentration Difference
The variation in the amount of a substance in two areas, which can lead to diffusion, where substances move from an area of high concentration to one of lower concentration.
Selectively Permeable
Property of the plasma membrane that allows some substances to pass, but prohibits the movement of others.
Osmosis
The movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Q26: If you could alter the shape of
Q29: In the accompanying figure showing factors that
Q31: An experimental forest ecosystem is enclosed in
Q51: The human wrist is very agile, but
Q55: The hominin group includes _.<br>A)Homo sapiens only<br>B)Homo
Q60: In the systems planning phase, a key
Q61: A(n) _ is an example of an
Q64: During strategic planning, top managers ask a
Q77: If one of these is available, analysts
Q94: Tasks that must be completed before another