The lungs, nose, and trachea are organs of the respiratory system. which best describes these organs? a) they deliver nutrients to the other tissues. b) they deliver oxygen to the blood. c) they are both used for support. d) they break down food.

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea