Blood is the fluid component of the cardiovascular system. It is the only fluid connective tissue in the body. Blood has many different characteristics that make it unique. Blood consists of these characteristics:
It is sticky.
Opaque.
It has a metallic taste.
Varies in color from burgundy to bright red, depending on whether or not the blood is oxygenated.
Blood is NEVER blue.
It has a greater density than water.
It stays at a constant temperature of 100.4 degrees F.