Cardiac Output Flashcards
1
Q
What is cardiac output
A
Amount. Fo blood pumped by ventricles in a minute
2
Q
What is SV
A
Amount of blood pumped by ventricles in one contraction
3
Q
How much blood is usually pumped each heartbeat
A
70mL
4
Q
HR x SV=
A
CO
5
Q
What happens when cardiac muscle is stretched?
A
It becomes stronger
6
Q
How is heart rate modified?
A
- Neural controls sympathetic and parasympathetic nervous system
- Hormones and ions
3.physical factors