Components of Human Blood

Plasma, red blood cells, white blood cells, and platelets are various components of human blood. Blood circulates through blood vessels in the body through pumping action of the heart. Arteries form a part of the circulatory system by which oxygenated blood is conveyed from the heart to all parts of the body, whereas veins carry … Read More

Anatomy of a Human Heart

The heart is one of the most important organs in the human body. According to Henry Gray’s “Anatomy of the Human Body”, human heart is roughly the size of a large fist and weighs between about 10 to 12 ounces (280 to 340 grams) in men and 8 to 10 ounces (230 to 280 grams) … Read More