The meaning of head is the upper or anterior division of the animal body that contains the brain, the chief sense organs, and the mouth. Study the anatomy of the head, including the skull, cranial nerves, facial muscles, sensory organs and blood supply. In bilaterally symmetrical animals, nervous tissue concentrate at the.
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It is subdivided into the facial bones and the brain. The upper part of the body in humans, joined to the torso by the neck and containing the brain, eyes, ears, nose, and mouth. The cranium (skull) is the skeletal structure of the head that supports the face and protects the brain.
Heads develop in animals by an evolutionary trend known as cephalization.
