In which of these sequences does pO2 progressively decrease?  (hint: arterial blood is blood being delivered to the body cells)

The muscles that contract during inspiration are the:

Cutting the phrenic nerve will result in

________________ states that gases diffuse into liquids based on their partial pressure gradient and solubility.

The normal pH range of blood is

Which factor(s) tends to keep the lungs open?

Hemoglobin will tend to bind more oxygen at a given partial pressure if

Because water has a high heat of vaporization:

During cellular respiration, mitochondria use oxygen to make __________, which is cellular energy.

Amount of air moving into or out of the lungs is proportional to ______.