The CARDIAC CONTROL CENTRE Flashcards
1
Q
Where is the CCC located?
A
MEDULLA OBLONGATA
2
Q
What is the CCC controlled by?
A
The autonomic nervous system
3
Q
What does the CCC consist of?
A
Sensory motor neurones from the SYMPATHETIC OR PARASYMPATHETIC NERVOUS SYSTEMS
4
Q
What does the SYMPATHETIC NERVOUS SYSTEM DO?
A
INCREASES HEART RATE
CCC initiates SYMPATHETIC NERVOUS system via the cardiac accelerator nerve to stimulate the SA NODE to increase HR.
5
Q
What does the PARASYMPATHETIC NERVOUS SYSTEM do?
A
DECREASES HEART RATE
CCC initiates PARASYMPATHETIC NERVOUS SYSTEM via the vagus nerve to stimulate the SA NODE to decrease HR.
