#human physiology notes

-- passage of blood flow through the heart:      1. vena cava      2. right atrium      3. right ventricle      4. lungs      5. left atrium      6. left ventricle      7. aorta      8. body

-- functional unit of the lungs is the alveolus

-- four major thermoregulatory processes      -- conduction      -- convection      -- evaporation      -- radiation

-- CNS is the brain and spinal cord

-- three main types of muscles      -- skeletal      -- cardiac      -- smooth