What is the correct order of excretory organs in Cockroach, Earthworm, and Rabbit, respectively?

Pupa occurs in the life cycle of:

The Haversian system is a characteristic feature of which of the following?

How are the biological functions of living organisms carried out?

What is a common characteristic between cockroaches and frogs?

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.