Hematopoietic System Flashcards
bodily system of organs and tissues, primarily the bone marrow, spleen, tonsils, and lymph nodes, involved in the production of blood
hematopoietic system
brings oxygen, nutrients, salts and hormones to cells and carries away waste products of cellular metabolism
purpose of hematopoietic system
what is the body’s major defense system against infections, toxins, and foreign antigens
hematopoietic system
primary blood forming organs
red bone marrow and lymph nodes
where is red bone marrow found
vertebrae, proximal femurs, anf flat bones such as sternum, ribs, skull, and pelvis
contain hemoglobin, an iron based protein essential for carrying O2 to cells
erythrocytes (RBCs)
how many RBCs in 1 mm^3 of blood
4.5 to 6 million RBCs
how many grams of hemoglobin for males and females
14g female, 15g male
how many leukocytes per 1 mm^3 of blood
5000-10000
defend body against bacteria through phagocytosis
neutrophils
reactt to allergic and parasitic conditions
eosinophils
contain heparin and react to inflammatory conditions
basophils
make up 25-40% of all white blood cells
lymphocytes
phagocytotic and play a role in inflammatory processes
monocytes
blood clotting cells
platelets
how many platelets in 1 mm^3 of blood
150,000-400,000