Why does coffee increase heart rate?

Question

What does coffee do to the heart ro increase its heart rate? If someone could please find me some good information (with a source)to answer that question, I would be very happy. 5 points will be given.

And yes, I know I can google it, but at the moment I'm doing other homework, so things would move along faster if somone couldfind me some info :). Thanks

Answer 1

It's the caffeine in the coffee that does it.

Answer 2

Hi =)

The answer if you can't be bothered reading from the website lol:

Caffeine is a stimulant which will cause an increase in heart rate. This increase should just be temporary, like the increase during exercise.

Here is the answer your looking for :

http://answers.yahoo.com/question/index?...

Hope it helps and good luck with all the 'other' homework your doing :D Rosalie - Is this good enough? =D

Answer 3

Is mathematics among your other homework???

Last time I looked, a Best Answer was worth 10 points!

"In humans, caffeine is a central nervous system (CNS) stimulant, having the effect of temporarily warding off drowsiness and restoring alertness."

http://en.wikipedia.org/wiki/Caffeine

"Immediate effects

Small amounts

When you have a small amount of caffeine (such as a cup of coffee):

- you feel more awake

- your heart beats faster

- you urinate more

- your body temperature rises

- your digestive system produces more acid."

http://www.health.nsw.gov.au/public-heal...