Blood Type Bloody Basics You Need To Know Getdoc Says Blood is a specialized body fluid. it has four main components: plasma, red blood cells, white blood cells, and platelets. blood has many different functions, including: transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss. carrying cells and antibodies that fight infection. There are four major blood groups: a, b, ab and o. blood groups are based on red blood cell antigens, which are proteins on the cell surface that are recognized by a person’s immune system. if an antigen is identified as “non self” by the immune system, the cell is targeted for destruction by antibodies.
Ppt Blood Basics Powerpoint Presentation Free Download Id 9472574 Blood circulates throughout the body, transporting substances essential to life. here, learn about the components of blood and how it supports human health. blood basics. (n.d.). www. The ph of blood averages about 7.4; however, it can range from 7.35 to 7.45 in a healthy person. blood is therefore somewhat more basic (alkaline) on a chemical scale than pure water, which has a ph of 7.0. blood contains numerous buffers that help to regulate ph. blood constitutes approximately 8 percent of adult body weight. Blood makes up about 8% of the human body weight. it contains erythrocytes, leucocytes, thrombocytes (platelets) and plasma. the volume percentage of all blood cells in the whole blood is about 45% of adults (hematocrit). the rest consists of liquid plasma (e.g. water, plasma proteins, electrolytes etc.). the blood is composed of:. 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.
Comments are closed.