The ends of the bones are capped with cartilage, and ligaments strengthen the synovial capsule. Synovial joints allow the bones to move in directions dictated by the structure of the joint. An example of a freely movable joint is the joint between the arm and the shoulder. .
The human skeleton is made up of 206 bones. It is functionally divided into an axial skeleton, which supports the main body axis and an appendicular skeleton, which supports the arms and legs. 80 bones of the axial skeleton make up the skull, backbone, and rib cage with sternum. Of the skull's 28 bones, 8 form the cranium that encases the brain, and the rest are facial bones, middle ear bones, and the hyoid bone, which is suspended at the back of the jaw by muscles and a ligament and supports the base of the tongue. The skull is attached to the anterior (superior) end of the backbone, also called the spine or vertebral column. The spine has 33 vertebrae, stacked one on top of another in order to provide a flexible column that surrounds and protects the spinal cord. Curving forward from the vertebrate are 12 pairs of ribs, which most of them are attached at the front to the breastbone (sternum) forming a protective cage around the lungs and the heart. The 126 bones of the appendicular skeleton are attached to the axial skeleton at the hips (pelvic girdle) and the shoulders (pectoral girdle). The pectoral girdle is made up of 2 large, flat should bales (scapulae), each connected to the breastbone by a curved, slender collarbone (clavicle). The clavicle is the most frequently broken bone in the body, since a great amount of force is transmitted to it when one falls on an outstretched arm. Attached to the pectoral girdle are the arms, each of which contains 32 bones, most of which are in the hand. The pelvic girdle forms a bowl that provides strong attachments for the legs, which carry the weight of the body.
Utopia is completely attainable. Utopia, derived from the Greek words meaning no place, was always thought to be a model to strive for. Unfortunately human pessimism has never allowed Utopia to become a tangible place. Strangely enough it is this human aspect that is the barrier to a perfect existe...
Both lack an external tail and both are capable of reaching an upright posture as well as bipedal locomotion, walking on two legs. Humans and apes both have an appendix, which is an appendage that it believed to be used for the digestion of rocks, sticks, and tree bark. ...
Class Metamonada consists of unicellular organisms in which the nuclei are attached to the undulipodia (a cilium or flagellum whose purpose is locomotion or feeding) by rhizoplasts (also known as nuclear connectors. ... They digest cellulose from the wood that these insects eat, and at some stages of digestion, small particles of wood are visible in their cytoplasm. ... Members of this phylum lack flagella and instead used pseudopods for locomotion; they extend their protoplasm and re-form their bodies in the direction in which they wish to move (Anonymous 1998). ...
