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

 Gaseous Exchange Questions and Answers: Form 2 Biology

The diagram below represents a part of the rib cage.
ribcage1152020119.png
(a) Name the parts labeled W, Y and Z.
(b) How does the part labeled Z facilitate breathing in?

 (5m 28s)
1692 Views     SHARE

|