Integumentary

Has granular glands

High in keratin

Has a ctenoid scale

Others have poison glands

Slime glands

Has a sand paper structure

Molting happens on the skin

Glands present helps lessen dessication and makes the body slimy

Skin functions as defense mechanism by secreting mucus or toxin, others for gas exchange

Stratified epidermis and dermis cotaining mucous and serous glands plus pigmentation cells

Modified into: keratinized scales, scutes, beaks, rattles, claws, spines

Has placoid scales with denticles

Multilayered skin with mucous and sensory cells

Dermis has air spaces needed for thermoregulation

Has very thick stratum corneum of the epidermis and lacks glands

Soft outer keratinized layer with feathers

No epidermal gland except for the uropygial gland or preen gland