8. CV System Functions + Heart Flashcards
1
Q
List the 5 functions of the CV system
A
- Circulates blood,
- Transports water, oxygen and nutrients to cells
- Transports wastes including carbon dioxide away from the cells,
- Maintains correct body temperature
- Fights disease
2
Q
Define cardiac output
A
The amount of blood pumped out of the left ventricle per minute
3
Q
Define Stroke volume
A
The amount of blood pumped out of the left ventricle per beat
4
Q
Define Heart rate
A
The number of times the heart beats per minute
5
Q
List the equation for Q
A
Q = SV x HR
6
Q
Describe the relationship between SV and exercise intensity
A
SV increases from rest up to its maximum at the bodys overall sub max intensity and then plateaus.
7
Q
List 5 ways you can increase heart rate
A
Increase exercise intenisty, standing up, laughing, increasing temperature, eating, smoking.
8
Q
Lists the calculation to determine a persons max heart rate
A
220 - age
