Autonomic Control of the Heart Flashcards
System that causes the heart beat to increase during times of stress
Sympathetic system
The heart rate centre is located in the….
Medulla oblongata of the brain
Which factors determine which systems become active?
Factors such as need for oxygen or the blood pressure level
How is the SA node connected to the brain?
The SA node is connected to the brain by the Vagus nerve
The rate of the heart can also be controlled by
The nervous system
The nerve pathway called autonomic nervous system has…
Two systems that affect the heart rate
Cranial nerve #10
Vagus nerve
System that causes the heart beat to slow down
Parasympathetic system
When the brain perceives that the blood is getting delivered to the tissues to slowly, or if blood pressure is low, the brain will signal the….
SA node to speed up its contractions