The effect of Exercise on Pulse rate

The first 200 words of this essay...

The effect of Exercise on Pulse rate

In this experiment I am going to be looking at how exercise affects the pulse rate of the body. By the end of the experiment I hope to have found a connection between exercise and how it affects the pulse rate (for example, does the pulse rated increase or decrease?). I will study this by taking a group of students and asking them to exercise for a short amount of time, taking their pulse before and after this exercise to find out if there is any change in the rate of it.

Hypothesis and Biological knowledge

The heart is a huge muscle found in the chest. The main use of the heart is to pump blood, which delivers oxygen, glucose and much-needed chemicals to other parts of the body.

The muscle making up the heart is called Cardiac muscle; this special muscle does not wear down as other muscle does in the body. This is because it has to constantly beat to keep us alive, so cannot die out and be replaced by new muscle. The cardiac muscle also has another difference to any other muscle