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part 2 skeletal
functions
| Question | Answer |
|---|---|
| Amphiarthroses | joints that are slightly move |
| Projects in which muscles, tendons, ligaments, and other connective tissues | tuberosity, spinous process (spine), trochanter, and crest |
| Synarthroses | joints that are immovable |
| Fibrous joints | two or more bones joined by fiberous connective tissues |
| Abduction | movement of a body part away from the midline |
| types of Synovial joint | ball-and-socket, condyloid, gliding, hinge, pivot,and saddle |
| Diarthroses | joints that move freely |
| Extension | movement increasing the angle between parts of a joint |
| Flexion | bending at a joint that decreases the angle between bones |
| Synovial Joint | allows free movement, freely movable joints |
| Projects to help form joints | condyle, head, facet, and ramus |
| What are the functions of the skeletal system? | shape, support, and protect the body; produce blood cells; aid body movements; stores inorganic salts |
| Cartilage joint | two or more bones joined together by cartilage |
| Abnormal spinal curvatures | scoliosis: spine is NOT aligned; kyphosis: "hunch back" Lordosis: the lumbar vertebrae is extremely curved in |
| Rotation | movement turning a body part on its longitudinal axis |
| Depression or openings allowing blood vessels and nerves to pass | Foramen, meatus, and fossa |
| Blood calcium levels | Parathyroid hormone (PTH): activates osteoclasts Calcitonin (CT): inhibits osteoclasts |