Which Is a Reason That Diffusion of CO₂ From an

Multiple Choice

Which is a reason that diffusion of CO₂ from an animal is less problematic than diffusion of O₂ into an animal?

A) CO₂ is less soluble in water than O₂ is.
B) Cellular respiration produces less CO₂ than the O₂ that is consumed.
C) The CO₂ content of air is higher than the O₂ content.
D) The atmospheric partial pressure of CO₂ is negligible compared to the atmospheric partial pressure of O₂.
E) There is less of a concentration gradient between the cell and the atmosphere for CO₂ than for O₂.