Carotid Sinus Reflex
This reflex depends on baroreceptors located in the walls of the carotid arteries at the carotid bifurcation. The carotid sinus is a small dilation just above where the carotid artery divides into internal and external carotid arteries.

Aortic Arch Reflex
This reflex depends on baroreceptors in the wall of the arch of the aorta.