Exercise and its effects on CVS and respiration

1. Changes
during
exercise
Muti ullah

2. Oxygen consumption 250ml/min to 5100ml/min
Pulmonary ventilation increases 110
Breathing rate increases 150
Vo2 max 10 times
Oxygen diffusing capacity increases from 21 to 80
Va/Q more optimal= .7
No.of dormant capillaries dec.

3. CVS
• Stroke volume 105…162====75,,110
• Cardiac output
• Heart rate 50…..185….75…195
• Blood flow 3.6-90ml/g
• Oxygen consumption
• Work output
• Heart hyptrophy

4. Benefits