Human skeleton | Parts, Functions, Diagram, & Facts | Britannica
Dec 31, 2025 · The human skeleton is the internal framework for the human body. It consists of many individual bones and cartilages, as well as bands of fibrous connective tissue—the ligaments and the …
Skeleton | Definition, Diagram, System, Parts, & Facts | Britannica
Skeleton, the supportive framework of an animal body. The skeleton of invertebrates, which may be either external or internal, is composed of a variety of hard nonbony substances.
Human body | Organs, Systems, Structure, Diagram, & Facts | Britannica
4 days ago · The human body is the physical substance of the human organism. Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with the …
Skeleton - Bones, Joints, Muscles | Britannica
Skeleton - Bones, Joints, Muscles: In vertebrates the adult skeleton is usually formed of bone or cartilage—living substances that grow with the animal, in contrast to the many types of invertebrate …
Human body systems | Muscle, Skeletal, Respiratory, Circulatory ...
The respiratory, circulatory, renal, and digestive systems likewise are interconnected, working together to supply oxygen and blood to tissues, remove wastes, and break down and utilize nutrients. Learn …
Axial skeleton | Description, Characteristics, Anatomy, & Function ...
Axial skeleton, the part of the bony structure of the body that consists of the bones of the skull, the vertebral column, and the rib cage. The axial skeleton serves primarily to support and protect the …
Human skeleton - Axial, Visceral, Bones | Britannica
Dec 31, 2025 · The larger part of the skeleton of the face is formed by the maxillae. Though they are called the upper jaws, the extent and functions of the maxillae include much more than serving as …
Human skeleton - Spinal Cord, Bones, Joints | Britannica
Dec 31, 2025 · Human skeleton - Spinal Cord, Bones, Joints: For the spinal cord, with its tracts of nerve fibres traveling to and from the brain, the placement in relation to the spinal column is somewhat like …
Joint | Definition, Anatomy, Movement, & Types | Britannica
Joint, in humans and other animals, structure connecting two or more adjacent parts of the skeleton. Not all joints move, but, among those that do, motions include spinning, swinging, gliding, rolling, and …
human body Facts | Britannica
Jan 15, 2026 · Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with the mammalian form, it has hair and mammary glands.