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Human skeleton | Parts, Functions, Diagram, & Facts | Britannica
2025年1月23日 · Human skeleton, the internal skeleton that serves as a framework for the body. This framework consists of many individual bones and cartilages. There also are bands of fibrous connective tissue—the ligaments and the tendons—in …
Bone | Definition, Anatomy, & Composition | Britannica
2025年1月24日 · Bone, rigid body tissue consisting of cells embedded in an abundant hard intercellular material. Bone tissue makes up the individual bones of the skeletons of vertebrates. Its two principle components are collagen and calcium phosphate. Learn more about the composition and function of bone.
Bone - Structure, Function, Types | Britannica
2025年1月24日 · Bone - Structure, Function, Types: Grossly, bone tissue is organized into a variety of shapes and configurations adapted to the function of each bone: broad, flat plates, such as the scapula, serve as anchors for large muscle masses, while hollow, thick-walled tubes, such as the femur, the radius, and the ulna, support weight or serve as a ...
The structure and functions of the human skeleton | Britannica
human skeleton, Internal skeleton that serves as a framework for the human body. It consists of many individual bones and cartilages; there also are bands of fibrous connective tissue (the ligaments and tendons) in intimate relationship with the parts of the skeleton.
human skeleton: Facts & Related Content - Encyclopedia Britannica
Human skeleton, the internal skeleton that serves as a framework for the body. This framework consists of many individual bones and cartilages. There also are bands of fibrous connective tissue—the ligaments and the tendons—in intimate relationship with the parts of the skeleton.
Skeletal system parts and functions | Britannica
Human skeleton, the internal skeleton that serves as a framework for the body. This framework consists of many individual bones and cartilages. There also are bands of fibrous connective tissue—the ligaments and the tendons—in intimate relationship with the parts of the skeleton.
Human body | Organs, Systems, Structure, Diagram, & Facts
2024年12月5日 · 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 mammalian form, it has hair and mammary glands. Learn more about the composition, form, and physical adaptations of the human body.
Human skeleton - Axial, Visceral, Bones | Britannica
2025年1月23日 · Human skeleton - Axial, Visceral, Bones: The cranium—the part of the skull that encloses the brain—is sometimes called the braincase, but its intimate relation to the sense organs for sight, sound, smell, and taste and to other structures makes such a designation somewhat misleading.
Bone - Calcium, Phosphate, Hardness | Britannica
2025年1月24日 · Bone - Calcium, Phosphate, Hardness: Depending upon species, age, and type of bone, bone cells represent up to 15 percent of the volume of bone; in mature bone in most higher animals, they usually represent only up to 5 percent.
Human skeleton - Arms, Legs, Joints | Britannica
2025年1月23日 · Human skeleton - Arms, Legs, Joints: The humerus and the femur are corresponding bones of the arms and legs, respectively. While their parts are similar in general, their structure has been adapted to differing functions.