Yes
superficial
the skin is superficial to the muscles of the upper arm.
Remember that superficial means closer to the skin and deep makes farther away (the core) from the skin. Therefore, the ribs are closer to the skin, so they are superficial to the lungs, and vice versa.
The gallbladder is attached to the bile duct by a small tube called the cystic duct
Superficial
The skin is superficial to the heart. The heart is deep to the skin.
The Stratum Corneum is the most superficial layer of skin.
No, the hypodermis is deep to the dermis. The dermis is superficial to the hypodermis.
Skin is superficial to muscles. Superficial means above, while deep means below. So muscles are deep to skin and dermis is superficial to muscle tissue.
Leg muscles are deep to the skin of your leg. The skin is superficial to the muscles.
The rib cage is superficial to the lungs. The rib cage encloses the lungs for protection.
Superficial frostbite is only to the outer layers of the skin.
The epidermis is the general name of the entire superficial layer of the skin.
In the way you are using "superficial" it will mean " being on or near the surface".Thus the answer is "YES" the skin is a superficial organ - BUT -"NO" the skin is not "superficial" specifically to muscles - it does not surround muscles, it surrounds the whole body and the muscles are beneath (and some in - the ones that raise the hairs) the skin.