Get premium membership and access revision papers with marking schemes, video lessons and live classes.

Processing. Please wait.

The diagram below represents a mammalian nephron

(a) Name the
(i) Structure labeled P.
(ii) Portion of the nephron between point X and Y.
(b) Name the process that takes place at point Q.
(c) Name one substance present at point R but absent at point S in a healthy mammal.