Which large organ in the human body located above the stomach digest food and clean the blood?

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Did you know that a blue wales tongue weighs more than an elephant?

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d