Alina T Forum Elite
Topics: 17 Posts: 388
| | 11/27/04 - 05:58 AM  
 
   
 
|   #2 |
Exercise increases sympathetic stimulation of the heart and induces increased heart rate and increased contractility -->increased metabolic demands in O2 (hypoxia) --> stimulus for vasodilation of coronaries --> increased blood flow which brings more O2.
___________________ There are 3 types of people: those who make things happen, those who watch things happen, and those who wonder what happened.
|
|
| |
| |