Chapter 18, Problem 19RQ

Create reflex pathways (stimulus, receptor, afferent path, and so on) for the chemical control of ventilation, starting with the following stimuli:

1. a. $\text{increased arterial}{\text{P}}_{{\text{CO}}_{\text{2}}}$
2. b. $\text{arterial}{\text{P}}_{\text{O}}{}_{{}_2}\text{=}\text{55 mm Hg}$

Be as specific as possible regarding anatomical locations. Where known, include neurotransmitters and their receptors.