$Pheretima$ $posthuma$ and $Periplaneta$ are similar in which aspect?

How many of the given statements are true?
$A.$ The dry surface of the skin and the moist surface of the buccal cavity are lined by compound epithelium.
$B.$ Cuboidal epithelium facilitates diffusion across the epithelium.
$C.$ Intercalated discs are the cell junctions between the cardiac muscle cells.
$D.$ Skeletal muscle fibers can be located in the biceps muscle.
$E.$ In a bone,osteocytes are located in lacunae.

Which of the following substances is involved in the healing process?

Match the following Column-$I$ with Column-$II$ and choose the correct combination.

Column-$I$	Column-$II$
$(a)$ Earthworm	$(i)$ Gizzard
$(b)$ Cockroach	$(i)$ Gizzard
$(c)$ Frog	$(iv)$ Cloaca
$(d)$ Rat	$(ii)$ Caecum

Vibrissae are associated with the function of

Which one of the following lists contains only mesodermal structures?