|
This is just a FREE sample preview of the essay
Subscribe to Essay Galaxy for instant access to view the entire paper
Essay Galaxy - The Heart
The Heart
You need your heart for all your body needs. It pumps about 2000
gallons of blood a day. It takes about 20 seconds for blood to reach every
cell in the body. An artery carries blood out from the heart. A vein carries
blood back to the heart. An average adult heart weighs about 10-13 ounces (300
to 350 grams). The rate which the heart pumps varies depending on what your
doing. When at rest the heart pumps more slowly. When you run the heart rate
increases to provide muscles and other tissues with additional oxygen they need.
The typical heart rate is 72 beats per minute. Each beat gives out 2-3 ounces
of blood pumped into the arterial system. At this heart rate it beats about
104,000 times a day. The Superior and Inferior are the biggest veins in the
body. The Superior is really the biggest. These veins have a lot of carbon
dioxide and have oxygen-poor bloo....
|
|
Number Of Pages: 6 |
Number Of Words: 1549 |
Got a term paper due soon and need some help quick? You have come to the right place. Essay
Galaxy has over 50,000 essays, papers, and reports available for download right now! Get
ideas from thousands students just like you to help make that essay perfect. Don't hesitate.
Join today and get instant access to our enormous database.
|
Membership Options |
Price |
Savings |
|
1 month subscription |
$19.95 recurring |
* |
3 months subscription |
$39.95 recurring |
$19.90 |
6 months subscription |
$69.95 non-recurring |
$49.75 |
|
|
Credit card and check processing is provided by PayPal and is 100% safe and secure
|