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Your heart is the organ involved in the pulse rate.
Chronotropes increase the human heart rate, sometimes by changing the rhythm of the sinoatrial node. Negative chronotropes decrease the heart rate.
The nostrils,heart,liver and the blood cappillaries.
The risks involved with having heart surgery are endless, and there is no real way to identify all the risks involved. A few of the risk are: bleeding, abnormal heart rate,Ischemic heart damage, death, blood clots, stroke, and blood loss.
Biofeedback
A prominent class of motor neurons in the sympathetic nervous system are involved with vasoconstriction also with an increase in the heart rate.
By keeping fit means being physically active I would say your joints and muscles because of the movement,your heart to promote a healthy blood flow to pump you blood and speed up your heart rate to burn calories,and the liver because it helps to rid the body of harmful toxins.
It is a machine that detects changing in blood pressure, heart rate and other body rhythems to detect false statements.
You have a heart. It beats periodically. The rate at which it does so is your heart rate. If you don't have a heart rate, then your heart isn't beating, meaning you're dead or dying.
Thyroxine is transported in the bloodstream and can penetrate the cell membrane under certain conditions. It increases heart rate, breathing rate, and metabolism.
Rate of chemical change can be altered by 1. Changing the temperature. 2. Changing the pressure (if gases are involved). 3. Changing the particle size of a solid reactant. 4. Changing the concentration of a dissolved reactant. 5. Adding a suitable catalyst.
depressants affect the heart rate by its heart rate