Blood is a liquid connective tissue made up of blood cells and plasma that circulate inside the blood vessels under the pumping action of the heart. In the case of human blood , we can say it is red-colored body fluid circulating inside the blood vessels in order to transport the gases (oxygen and carbon dioxide), nutrients, hormones, and other essential chemical components to every body cell and metabolic wastes from every cell to the excretory organs. Simply, blood is a means of ... Blood Definition Blood is the body fluid in humans and other animals that delivers the essential materials for life to the body’s cells. It has sometimes been called a fluid “tissue,” because like solid tissues it contains several types of cells which perform complex functions for the human body. The components of blood are produced mainly in the bone marrow, where special cells produce red cells, white cells, and platelets. So-called “ blood cancers” such as leukemia are actually ... Learn about the main components of blood : plasma, red blood cells, white blood cells, and platelets. Find out their functions, disorders, and how they interact with each other. There are four components - or parts - of the blood : red blood cells, white blood cells, plasma and platelets. Blood carries things you need, like oxygen and glucose, and waste products, such as ...
