1
what are the listed functions of lymphatic vessels
transport fluid and proteins that have escaped from the capillaries back to the heart, provide a means by which diseased organisms and diseased cells travel throughout the body, and carry absorbed fat from the intestines to the blood
what are the 3 main components of the immune system
lymphocytes, lymphoid tissue, and lymphoid organs
what is the structure in lymph capillaries that allow then to be highly permeable
mini valve flaps
what is the specialized lymph capillaries in the small intestine villi and what do they receive
lacteals, chyle
what are the 3 mechanisms that propel lymph
skeletal muscle, nearby arteries, tunics media
what are the 5 major lymph trunks from inferior to superior
lumbar, intestinal, bronchomediastinal, subclavian, and jugular
what do CD4+ cells secrete and what does it do
cytokines which stimulate the proliferation of activated B, T, and macrophages
what are the secondary lymphoid organs
nodes, speed, tonsils, nodules in the s intestines, and appendix
what is the function of the thymus
lymphocytes maturation
what are the 2 main functions of the spleen
removal of blood borne antigens, destruction of old/defective RBCs
what are the 4 respiration processes
pulmonary ventilation, external respiration, gas transport, internal respiration
what are the 2 respiratory system zones
respiratory and conducting
what makes up the conducting zone
nose, nasal cavity, pharynx, trachea
what makes up the respiratory zone
bronchioles, alveolar ducts, and alveoli
what are the 4 functions of the nasal cavity
humidify, warm, and filter+enhance turbulence of air, and remove contaminated mucus
what are the 3 functions of the larynx
open airway, switching mechanism for food and air, produce vocalizations
what are the 3 layers of the trachea
mucosa, submucosa, adventitia
what is the function of type 2 cells in the alveoli
secrete surfactant
which lung is smaller
left lung
what organ do the lungs sit on
diaphragm