Lymph - not blood, forms from fluid between cells, travels in vessels of lymphatic system and ends
up mixing in with blood
pulmonary circulation - right atrium and ventricle pump de-oxygenated blood to lungs, o2 gained
and co2 lost in lungs,
Levels of organization - atoms, molecules, cells, tissues, organs, organ systems, people
Homeostasis - maintaining a constant internal environment w changes in activities
Pathophysiology - understanding our body's disease mechanisms
Composition of Blood - Cells, plasma, proteins
Red Blood Cells - Erythocytes
White Blood Cells - Leukocytes
Platelets - Thrombocytes
Plasma - water, electrolytes, small molecules
Hematocrit - % volume of RBC's
transport o2 and make ATP - What do red blood cells do?