Human Physiology

Introduction Fluid plasma and formed elements constitutes blood. Blood plasma is mainly fluid which consists of dissolved minerals and nutrients. It makes up 55% of the total blood volume. Formed elements makes up the remaining percentage of blood. 99% of formed elements are red blood cells (erythrocytes). Platelets and white blood cells (leukocytes) constitute the…

Red bone marrow, thymus, spleen, tonsils, lymph nodes, lymphocytes, lymph nodules, lymph and lymph vessels make up the human lymphatic system. Identifying and defending the body from foreign substances and microorganisms, maintaining fluid balance within body tissues and absorbing lipids, proteins and fat-soluble vitamins from the small intestines are some of the major functions of…