Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Effect of exercise on the heart rate In the average human the heart rate slowly decreases through age. I am going to investigate that from doing exercise that the heart rate will increase. From the scientific knowledge that I have gained I know that for respiration to take place the body should respire more as through exercise the muscles require oxygen. The muscles obtain the oxygen from the blood stream and as they require an increase in oxygen as they work harder the pulse rate should therefore increase gradually as the body has to work harder. When exercise is complete the pulse rate and respiration should return to the normal "resting" rate as the muscles no longer need the extra oxygen as they are not working harder. I have reached these conclusions as I believe that as the muscles use up the already existing oxygen in the blood the breathing and...

Get instant access

• Instant, unlimited access to our documents in full
• Swap your work for free access, or pay £4.99
• To see the full version of this document and 146,922 others

OR

Receive email updates for this category

• Simply tell us your email address and receive a weekly Study Help Email for FREE
• Receive 3 FREE essay views with each email
• Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk