Given the following information, match the described action/event/variable with its correct role in a homeostatic reflex arc. Each option is used only once. Hypoventilation causes increased arterial Pco2- Peripheral and central chemoreceptors, via their afferent axons, send arterial Pco2 information to the medulla oblongata (in the brainstem). Motor neuron activity to the inspiratory muscles is increased. Inspiratory muscles contract more frequently and with more force, thereby increasing ventilation Increased ventilation causes exhalation of more CO2 and lowers Pco2 toward normal. stimulus [ Choose ] efferent pathway [ Choose ] receptors [ Choose ] afferent pathway [ Choose ] integrating center [ Choose ] response [ Choose ] effector tissue [ Choose 1 > > > > > >

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