You could argue the integumentary, the skeletal, the lymphatic. (immune system)
The Skeletal System protects all your organs and supports the body.
The skeletal system stores minerals and protects your body.
The skeletal system protects the soft inner parts of your body.
The Skeletal System.
The integumentary system protects the body from injury, infection, and dehydration.
muscular
it supports and protects your body (:
muscular
integumentary system
immune system
The immune system.
the immune system protects the body from invading pathogyns