your heartbeat will slow
The sympathetic nerves speed up the heart rate, while the parasympathetic nerves slow it down.
There are a great number of chemicals that can speed up or slow down the heart rate, as well as chemicals that can change the rhythm of your heart.
The nervous system
No foods will significantly reduce your heart rate. Caffeine may speed it up, but nothing will slow it down.
You can maintain your desired heart rate by wearing a heart rate monitor. These are small electronic devices that usually resemble a wrist watch. The heart rate monitor will display your current heart rate and allow you the opportunity to either speed up or slow down your running pace in order to stay within what your desired heart rate is. If you notice your heart rate is getting higher than desired, slow down, and if it is lower than desired, speed up.
alcohol makes you very clumsy and slow and is a depressant, unlike ecstacy, it will slow down your heart rate.
Caffine will speed up the heart rate.
The pulse is a measure of the heart rate.
YES!! slow songs makes your heart rate slow down and fast songs make it speed up.
72 bpm
run
If by bike you mean bicycle then: Yes if you increase your speed or the intensity for that matter then your heart rate will also increase.