Description
(Wikipedia excerpt:.. “..Blood (B) is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. (B) is composed of (B) cells suspended in (B) plasma. Plasma, which constitutes 55% of (B) fluid, is mostly water (92% by volume), and contains proteins, glucose, mineral ions, hormones, carbon dioxide (plasma being the main medium for excretory product transportation), and (B) cells themselves…“)
Wikipedia info