The skull or cranium is part of the skeletal system.
skeletal system
skeletal system
The skeletal system.
The brain is protected by the skull.
It is not an organ system. Bones are not organs. It does help protect some organs, like the brain being inside the skull, but it is not part of an organ system.
the skull because it protects the brain
It is an organ of your nervous system and it helps you think which is located in the skull.
The cranium (skull) is the collection of bones that protects the brain, which is the major organ of the nervous system.
An organ sytem includes tissues.
The integumentary system includes the epidermis. The epidermis is part of the organ called the skin.
The digestive system includes the esophagus.