32. There are 12 pairs of
2
curved bones called ribs in our
chest region. One end of ribs
is joined to the backbone and
the other end is joined to bone
Y in the front to form a box like
structure Z. This box-like
structure protects the delicate
internal organs P and Q of our
body. *
A
What are Y and Z.
B. Name the organs P and Q​
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