BIOL 208 Lecture 4: A&P II Lectures 3, 4, 5 & 6
Document Summary
A&p ii lectures 3, 4, 5 & 6. Hemoglobin (hb: consists of globin (2 alpha & 2 beta polypeptide chains) and 4 heme groups (heme pigment contains iron, oxygenation - 4o2 + hb = hb(o2)4, deoxygenation - hb (reduced, co2 - Macrophage system (reticuloendothelial system): macrophages found everywhere. Endothelium - simple squamous cells found in the capillary wall and the inner lining of the entire circulatory system (blood & lymphatic vessels. heart chambers) Dismantling of hb - moves in two directions. Globins - broken down into individual amino acids. Heme - releases the iron atom (fe++), which is then transported by transferrin, and is them picked up by 2 chemicals (hemosiderin & ferritin) Then makes its way to the liver where bilirubin . Bile produced in liver, stored in gallbladder, and released into small intestine when needed for digestion. Canned statement anemia - condition characterized by either:
