The buffer systems functioning in blood plasma include plasma proteins, phosphate, and bicarbonate and carbonic acid buffers. The kidneys help control acid-base balance by excreting hydrogen ions and generating bicarbonate that helps maintain blood plasma pH within a normal range.
They can survive through homeostasis, the balancing of the internal temperature of the cell. <span />
I believe your answer would be Echinoderms and Chordates. I hope this helps!
