Peripheral chemoreceptors

Function
Arterial O₂, CO₂, pH
Quantity
Glomus cells in two small paired organs
Density
Extremely high in the tiny carotid bodies
Distribution
Carotid bodies (dominant) and aortic bodies

Relative Deployment

Notes

Drive the hypoxic ventilatory response. Carotid bodies are the most blood-flow-rich tissue in the body per gram.

Interacting Systems & Components