ACING BIOS 255 MID TERM EXAMS WITH AN A+ QUESTIONS AND ANSWERS PLAYBOOK

ACING BIOS 255 MID TERM EXAMS WITH AN A+ QUESTIONS AND ANSWERS PLAYBOOK What are the formed elements of blood? red blood cells, white blood cells, platelets centrifuged blood 55% Plasma, Buffy Coat, 45% RBC what makes up the buffy coat white blood cells and platelets Hemoglobin iron-containing protein in red blood cells that carries oxygen for delivery to cells Functions of blood transportation, regulation, protection Transportation of Blood oxygen, nutrients, wastes, carbon dioxide, and hormones Protection of blood -protects the body from excessive bleeding by clotting, -contains specialized immune cells to help fight disease and sickness -Immune response Regulation of blood pH Buffers -hydrogen,biocarbonate Body Temp Osmotic Pressure H2O content of cells Hemopoiesis production of blood cells Erythrocytes red blood cells -Live for days to weeks -no organelles, no nucleus Erthropoiesis production of red blood cells -occurs in RED BONE MARROW Erythropoietin a hormone secreted by the kidneys that increases the rate of production of red blood cells in response to falling levels of oxygen(hypoxia) in the tissues. Hematocrit percentage of blood volume occupied by red blood cells -42% in women -47% in men Anemia lack of a normal number of red blood cells Polycythemia excess of red blood cells carbonic anhydrase (CA) enzyme that catalyzes carbon dioxide and water into carbonic acid Leukocytes white blood cells -has nucleus -has organelles -no hemoglobin **Can live for years What are the five white blood cells? neutrophils, eosinophils, basophils, lymphocytes, monocytes Neutrophils Most abundant white blood cell., Phagocytic and tend to self-destruct as they destroy foreign invaders, limiting their life span to a few days. Eosinophils Combats histamine -Destroys certain parasitic worms ACING BIOS 255 MID TERM EXAMS WITH AN A+ QUESTIONS AND ANSWERS PLAYBOOK What are the formed elements of blood? red blood cells, white blood cells, platelets centrifuged blood 55% Plasma, Buffy Coat, 45% RBC what makes up the buffy coat white blood cells and platelets Hemoglobin iron-containing protein in red blood cells that carries oxygen for delivery to cells Functions of blood transportation, regulation, protection Transportation of Blood oxygen, nutrients, wastes, carbon dioxide, and hormones Protection of blood -protects the body from excessive bleeding by clotting, -contains specialized immune cells to help fight disease and sickness -Immune response Regulation of blood pH Buffers -hydrogen,biocarbonate Body Temp Osmotic Pressure H2O content of cells Hemopoiesis production of blood cells Erythrocytes red blood cells -Live for days to weeks -no organelles, no nucleus Erthropoiesis production of red blood cells -occurs in RED BONE MARROW Erythropoietin a hormone secreted by the kidneys that increases the rate of production of red blood cells in response to falling levels of oxygen(hypoxia) in the tissues. Hematocrit percentage of blood volume occupied by red blood cells -42% in women -47% in men Anemia lack of a normal number of red blood cells Polycythemia excess of red blood cells carbonic anhydrase (CA) enzyme that catalyzes carbon dioxide and water into carbonic acid Leukocytes white blood cells -has nucleus -has organelles -no hemoglobin **Can live for years What are the five white blood cells? neutrophils, eosinophils, basophils, lymphocytes, monocytes Neutrophils Most abundant white blood cell., Phagocytic and tend to self-destruct as they destroy foreign invaders, limiting their life span to a few days. Eosinophils Combats histamine -Destroys certain parasitic worms