HR Regulation-SUMMARY Flashcards
Heart rate increases during _______ to ensure working ______ receive more oxygen.
Exercise
Muscles
The heart generates its own ______ from the __ node and this is controlled by the _______ nervous system.
Impulse
SA
Autonomic
The autonomic nervous system is divided between ___________ and ____________ systems. The __________ system stimulates HR to increase and the ____________ system returns the HR to ______________. These two systems are coordinated by the ___ located in the _________ _________.
SYMPATHETIC Parasympathetic SYMPATHETIC Parasympathetic Resting levels CCC Medulla Oblongata
During exercise, _________ in the muscles and tendons detect ________.
_________ detect increases in ________ _______ and lactic acid and decreases in _________.
Baroreceptors in the aorta detect increases in _______ ________.
These receptors send _______ to the CCC which in then sends _________ via the ________ nervous system via the _________ nerve to increase stimulation of the ____ node and to increase HR.
Proprioceptors Motor movement Chemoreceptors Carbon Dioxide Oxygen Blood pressure Impulses Impulses Sympathetic Accelerator SA
When exercise _____, motor movement stops, ________ and ______ ________ levels decrease. This is detected by the receptors which send impulses to the CCC. An impulse is then sent through the ___________ nervous system down the ______ nerve which stimulates the SA node and _________ HR.
Stops CO2 Blood pressure Parasympathetic Vagus Decreases
