The invertebrate animal has an exoskeleton (external skeleton).
The skin covers and protects the body.
The nuclear membrane covers as well as protects the nucleus.
The integumentary system protects and covers internal structures.
Epithelial tissue covers and protects underlying tissue.
the gill operculum covers and protects the gills.
The skin is an organ, and it is the organ that covers and protects the body.
a tough coating of chitin that protects and covers the body.
a tough coating of chitin that protects and covers the body.
muscular
epithelial
muscular
Nerve cell