BIO 203 FINAL EXAM REVIEW Questions & Answers(RATED A)

True - ANSWER Echinoderms are classified as gills bc they are evaginations of the body surface Evagination - ANSWER pushing out of the ectoderm True - ANSWER The external intercostal muscles participate in inspiration True - ANSWER The internal intercostal muscles participate in expiration Where does the external intercostal muscle originate - ANSWER Inferior surface of the proximal parts of the ribs Lower ribs on the superior and distal parts False - ANSWER The tracheal system of insects evolved to transport respiratory gases (O2 and CO2) as well as nutrients dissolved in hemolymph. Circulating hemolymph - ANSWER -NOT important in tracheal system of insects -functions in transporting nutrients newborn respiratory distress syndrome - ANSWER symptoms