Blood makes up 7% of the total body weight in the average person.
Red blood cells live some 120 days in the circulatory system.
There are 60,000 miles of blood vessels in the human body.
In one day, blood travels nearly 12,000 miles (19,000 KM) through the body.
There are 4 primary types of human blood: A, B, AB, O.
Despite its abundance, until recently, we were unable to replicate it.
Blood is composed of plasma (mostly made of water) and cells (erythrocytes, leukocytes and thrombocytes)
Blood delivers oxygen and nutrients throughout the body, while ridding of toxins & waste.
The red color of blood comes form hemoglobin, a molecular that binds oxygen and iron.
Blood cells originate in bone marrow (the soft, spongy stuff found in the center of bones)
Blood type is inherited (one gene comes from each parent), like other genetic traits are.
The average person has 8 to 12 pints of blood traveling throughout their body right now.
Posted Article in Food & Health