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