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Live Beating Heart and Heart Surgery youtube.com/watch?v=uR4t__…
The two main veins that connect to the heart are called the vena cava.
Physicians followed an incorrect model of the cardiovascular system for 1500 years livescience.com/39925-circulat…
In the average human, about 2,000 gallons of blood travel daily through about 60,000 miles (96,560 kilometers) of blood vessels.
The blood carries oxygen and nutritive elements towards the body cells.
The heart beats 72 times in a single minute, and produces approximately 2.5 Billion beats in a lifetime.
Blood is actually a specialized form of connective tissues and is produced inside the bones.
Human Heart Anatomy | Learn About Structure and Functioning of Human Heart youtube.com/watch?v=_CfTAm…
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Human Heart Anatomy | Learn About Structure and Functioning of Human...
Blood Flow Through The Heart Song youtube.com/watch?v=SvAVu-…
Out of the total volume of blood plasma, 92% is water and only 8% is that of the plasma proteins.
The total length of all the blood vessels in the human body is approximately 60,000 miles. Buzzle: buzzle.com/articles/cardi…
Average weight of the heart in males and females is 300-350 g and 250-300 g respectively. buzzle.com/articles/cardi…
Out of the total weight of the human body, 7% is that of blood.
The blood cells are of two types: white blood cells (WBCs) and red blood cells (RBCs).
Blood enters the heart at the atria an then flows into the ventricles, which contract and push blood around the body.
How a Normal Heart Pumps Blood -- The Children's Hospital of Philadelphia youtube.com/watch?v=JA0Wb3…
Valves in the heart keep the blood flowing in one direction.
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