The carotid artery extends from the heart to the head. Some of the bodys blood pressure receptors are located in the carotid sinus, where the
The carotid artery extends from the heart to the head. Some of the body’s blood pressure receptors are located in the carotid sinus, where the carotid artery passes through the neck. If you press lightly on the carotid sinus, what do you predict should happen to your heart rate? What if you press lightly on a spot just below the carotid sinus? Figure 30.15 may help you answer this question.
Figure 30.15
Stretched pressure receptors in aorta relay sensory information to brainstem. Arterioles in skin dilate; heart rate decreases. Blood pressure decreases. Blood pressure is too high. Normal blood pressure 80 Arterioles in skin Blood pressure constrict; heart Blood pressure is too low. increases. rate increases. Relaxed pressure receptors in aorta relay sensory information to brainstem.
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A carotid sinus is seen at the termination at the common carotid artery or we can say the beginning ... View full answer
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Authors: Mariëlle Hoefnagels
4th Edition
007802420X, 978-0078024207
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