cardiac action potentials (DL) Flashcards
1
Q
what increases heart rate and force of contraction
A
Sympathetic impulses
2
Q
what decreases heart rate?
A
Parasympathetic impulses
3
Q
_______detect change in BP and send info to the cardiovascular center
A
Baroreceptors
4
Q
what is another name for baroreceptors?
A
pressure
5
Q
where is the baroreceptors located
A
located in the arch of the aorta and carotid sinuses
6
Q
list 3 hormones that affect heart rate.
A
adrenaline, noradrenaline, thyroid hormones
7
Q
list 3 ions that affect heart rate.
A
Na+, K+, Ca2+
8
Q
_____________is a part of the human brain which regulates heart rate through the nervous and endocrine systems
A
cardiovascular centres in the brain
