write about the factors affecting heart rate
Answers
Answered by
2
Answer:
Factors affecting heart rate :
- Frank Starling's Law :
The stroke volume of the heart is directly proportional to the ventricular systole.
2. Marey's Law :
The heart rate is inversely proportional to the blood pressure.
3. Age :
Small children and old people have higher heart rate than young individuals.
4. Gender :
Females have higher rate than males however the stroke volume in females is lower than males.
5. Calcium :
A mild increase in Ca2+ concentration increases heart rate but further increase in the calcium decreases the heart rate.
6. Sodium and Potassium concentration :
Increase in Na+ , K+ concentration decreases heart rate.
7. Temperature :
Increase in the body temperature increases heart rate.
Similar questions