Name the following:
(a) A chordate animal having flame cells as excretory structures
(b) Cortical portions projecting between the medullary! pyramids in the human kidney
(c) A loop of capillary running parallel to the Henle’* loop.
(a) Cephalochordate (Amphioxus)
(b) Columns of Bertini
(c) Vasa Recta
