Changes In The Heart’s Activity Flashcards
1
Q
Aorta looks like _
A
Arch with three arteries on top of
2
Q
Aorta supplies blood to _
A
All muscles
3
Q
Cardiac output is _ per minute
A
Volume pumped
4
Q
Increased heart rate and cardiac output increases due to increased activity of _
A
Nerves supplying heart
5
Q
Amount of blood returning to heart increases due to:
Reduced resistance of vessels in the muscle bed due to _
A
Dilation
6
Q
Amount of blood returning to heart increases due to:
_ which pumps more blood back to heart
A
Muscle action
7
Q
Amount of blood returning to heart increases due to:
_ which has a pumping effect
A
Chest movement of rapid breathing
8
Q
Amount of blood returning to heart increases due to:
Constriction of veins, forcing _
A
Blood back to heart