Bones of chicken wing are attached to each other with tendon.

Identify the correctly matched pair w.r.t. Periplaneta.

Represent the union of two sets by Venn diagram for each of the following.

$X=\{x | x$ is a prime number between $80$ and $100\}$

$Y=\{y | y$ is an odd number between $90$ and $100\}$

Define anatomy?