Heart rate Flashcards
1
Q
How does the heart rate change as you get older?
A
As you get older the heart rate decreases e.g. new-born 120, adult 70
2
Q
What does the heart rate change in response to?
A
Factors that affect the SAN stimulation of the sympathetic/ parasympathetic division of the automimic nervous system
3
Q
What do sympathetic impulses do?
A
Increase speed and strength of the heart division (heart rate increases)
4
Q
What do parasympathetic impulses do?
A
Decrease heart rate
