The Circulatory System is an amazing highway
WOW
One drop of blood contains a half a drop of plasma, 5 MILLION Red Blood Cells, 10 Thousand White Blood Cells and 250 Thousand Platelets.
You have thousands of miles of blood vessels in your body. "Bill Nye the Science Guy" claims that you could wrap your blood vessels around the equator TWICE!
Keep your heart healthy...it's going to have to beat about 3 BILLION times during your lifetime!
Circulatory System DVD
Circulatory System DVD
Amazon Price: $59.95 (as of 12/23/2009)
Your heart is only about as big as your fist; but, despite its small size, it is crucial to the efficient functioning of your body. In fact, if it stopped doing its job, the result would be death. Explore the key elements of the circulatory system--the heart, blood vessels, and blood--in this informative video.
for the blood to circulate through all of the body's 100,000 km of blood
vessels!
Each of the body's 600 billion cells gets fresh blood once every few minutes or less.
On the way out from the heart, blood is pumped through vessels called arteries and arterioles.
The Magic School Bus Inside the Human Body
Amazon Price: $5.99 (as of 12/23/2009)
Color Atlas of Anatomy: A Photographic Study of the Human Body
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Uncover the Human Body: An Uncover It Book
Amazon Price: $12.89 (as of 12/23/2009)
Human Body: An Illustrated Guide to Every Part of the Human Body and How It Works
Amazon Price: $13.60 (as of 12/23/2009)
The Human Body (An Illustrated Guide to Its Structure, Function, and Disorders)
Amazon Price: $19.80 (as of 12/23/2009)
- A "heartbeat" is really the sound of the valves in the heart closing as they push blood through its chambers.
- The average three-year-old has two pints of blood in their body; the average adult at least five times more!
- Your heart beats some 30 million times a year!
- An adult's heart pumps nearly 4000 gallons of blood each day!
- The body of an adult contains over 60,000 miles of blood vessels!
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Fetching RSS feed... please stand byThe pulmonary circulation is the short section that carries blood which is low in oxygen from the right side of the heart to the lungs for 'refuelling'. It then || returns oxygen-rich blood to the left side of the heart.
The systemic circulation carries oxygen-rich blood from the left side of the heart all around the body, and returns blood which is low in oxygen to the rightside of the heart
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Inside the blood, oxygen is carried by the hemoglobin in red blood cells
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