The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

There are around 10.5 pints of blood in the average human adult body, but this can vary based on factors such as a person’s age and size. It accounts for around 7–8% of an adult’s body weight.

It turns out there's enough blood in the human body to fill a bit more than a 1-gallon milk jug. The average adult has about 1.2 to 1.5 gallons (4.5 to 5.5 liters) ...

The largest muscle in the human body is the Gluteus Maximus. It is responsible for keeping your posture upright, and is the principal antigravity force working when you walk up stairs.

Human plasma is used to produce therapies that treat disease. ... The human body contains about three liters of plasma, and donations typically run from 635 to 800 milliliters.

All blood in the human body is red in color. It is untrue that deoxygenated blood is blue. Human blood contains hemoglobin, which is a complex protein molecule in red blood cells. Hemoglobin ...

The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

To add to our experience employing a standard infusion of arginine hydrochloride, we have examined the dose–response curves of human growth hormone and insulin concentration in plasma after 1/12 ...