flows through....

Digestive -

mouth, oral cavity, oralophayrnx, lyngrophayrnx, esphagous, cardaic spincter, stomach, pyloric spincter, duodunm, jujeum, ilium, lilum-cecum spincter, cecum, ac,tc,dc,sc, rectum anus

\ Air flow -

nares, nasal cavity, nasophayrnx, oralphayrnx, lyngrophaynx, larynx, trachea, primiary bronchi, lobar bronchi, segmental bronchi, terminal bronchi, respiratory bronchi, avoloi

\ Heart -

svc/ivc, RA, rav, RV, semilunar valve pulmonary value, pulmonary artery, lungs, pulmonary veins, LA, LAV, LV, aortic semilunar valve, aorta