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Ch. 6 - Review
Q & A
| Question | Answer |
|---|---|
| A Skeletal System function | The Skeletal System's basic functions are to have the strength and rigidity to support soft tissues. |
| A Skeletal System function | Also, this system is set up for protection. For example, the Pelvic Girdle protects the reproductive organs; the skull protects the brain; and the ribs protect the heart and lungs. |
| A Skeletal System function | Assists in movement by providing surfaces the muscles can pull on to cause movement. |
| A Skeletal System function | Responsible for Mineral Homeostasis - Calcium and Phosphorous levels in blood. |
| A Skeletal System function | Production of blood cells takes place in the skull, breast bone, ribs, vertebra, hips, elbow, knees (ends of arm &leg bones). |
| A Skeletal System function | Stores Triglycerides in the yellow bone marrow. |
| Five basic shapes of bone: | Long bones, short bones, flat bones, irregular bones, and sesamoid bones. |
| Long Bones | Long and skinny ; Arms and legs. |
| Short bones | Same length & width ; wrist and ankles. |
| Flat bones | Thin & flat ; Skull, ribs & breast bone. |
| Irregular bones | No distinct shape ; Hip bones & vertebra. |
| Sesamoid Bones | Form on the inside of tendons / Not attached to any other bone ; Knee cap |
| Sutures | Immovable connection between bones. |
| Fontanels | Soft soft area with no bone. |
| Paranasal Sinuses | Air cavities in the skull. |
| Sutures | Prevents any type of brain damage from movable bones. |
| Fontanels | Allows baby's skull to change shape to allow for easy vaginal delivery. |
| Fontanels | Allows bones to spread to give brain room to grow. |
| Paranasal Sinuses | Makes skull lighter. |
| Paranasal Sinuses | Responsible for vocal residence &singing voice. |
| Cervical Vertebrae | Neck |
| Atlas | Cervical #1 - holds up brain / allows you to nod |
| Axis | Cervical #2 - allows head to rotate. |
| Thoracic Vertebrae | Only bones attached to ribs. |
| Lumbar Vertebrae | Lower back / bear great stress & weight / attachment of back muscles. |
| Sacrum | 5 fused vertebrae (to add stability to Pelvic Girdle) / Posterior wall of pelvic girdle |
| Coccyx | 3-5 fused vertebrae / Tail bone |
| Thoracic Cage | AKA - Rib Cage |
| Components of the Thoracic Cage | Sternum, costal cartilage, ribs, thoracic vertebrae. |
| Intervertebral Disks | Made from Fibrocartilage to cushion vertebrae. |
| Scoliosis | Abnormal side to side curves. |
| Kyphosis | "Hunch back" - Exaggerated curve in the upper back. |
| Lordosis | "Sway back" - Exaggerated curve in the lower back. |
| Pectoral Girdle | Attaches the arms to the torso. |
| What bones make the Pectoral Girdle? | Scapula (Shoulder Blade), Clavicle (Collar Bone). |
| Scapula | Shoulder Blade |
| Clavicle | Collar Bone |
| Pelvic Girdle | Attaches Legs to torso; Provides stable non-moving brace for entire body. |
| What bones make the Pelvic Girdle? | Coxal Bones (Hip Bones) |
| Coxal Bones | Hip Bones |
Created by:
Jamiew0282
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