speeds it up.
because when your doing the exercises it causes the heart rate to increse.
Pilocarpine lowers the heart rate.
Yes It affects Your heart rate.
increases the heart rate
Do exercises that will get your heart rate up.
Yes, they can, usually by increasing heart rate.
decreases the heart rate
because when your doing the exercises it causes the heart rate to increse.
This depends on the type of exercise. Muscle building exercises may build your muscles like "He man". But they may be useless, as per medical point of view. The aerobic exercises are must for good cardiac health.
No.
no
Calcium has no effect on heart rate. It does, however, have an effect on how hard the heart squeezes (inotropic effect). Heart rate is effected by the slow sodium channels in the pacemaker cells in the right atrium (and other pacemaker cells if the SA node is malfunctioning).