Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Skeletal system includes | -Bones of skeleton
-cartilages
-ligaments
-other connective tissue
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| Main organ of the system | Bones
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| What are bones composed of | Osseous tissue, dense regular connective tissue, dense irregular connective tissue and bone marrow.
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| What kind of organ are they? | Very dynamic and active
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| What are the primary functions of the skeletal system? | -support
-storage
-blood cell production
-protection
-leverage/movement
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| How many homes does a mature human have? | 206
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| What are bones classified into their 6 categories using? | -shape
-structure
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| Structural bones | "wormian bones" like the small, flat oddly shaped bones found between the flat bones of the skull. They range from the size of a grain of sand to a quarter. Their borders are like pieces of a jigsaw puzzle.
-number varies among individuals
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| Irregular bones | Have complex shapes with short, flat notched, or ridged surfaces. The vertebrae that form the spinal column, the bones of the pelvis and serveral bones in the skull.
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| Short bones | Are boxlike in appearance
-carpal bones (wrists)
-tarsal bones (ankles)
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| Flat bones | Have this parallel surfaces.
-form the roof of the skull
-the sternum (breast bone)
-the ribs
-and the scapulae (shoulder blades)
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| What do flat bones do? | They provide protection for underlying soft tissue and offer an extensive surface area for the attachment of skeletal muscles.
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| Long bone | Long and slender
-located in forearm
-thigh
-leg
-palms
-soles
-fingers
-toes
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| What is the largest and heaviest bone in the body? | Femur (long bone of the thigh)
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| Sesamoid bones (patallae-knee cap) | Are usually small, round and flat.
-knee caps
-develope within tendons near joint of knees, hands and feet.
-hand and feet
Not everyone has them where they can go but everyone has kneecaps.
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| Bone markings | -projections
-openings and depressions
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| Bone marking (projections) | -where muscles, tendons and ligaments attach
-at articulations with other bones
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| Bone markings (openings and depressions) | For passage of blood vessels and nerves
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| Ramus | Part of the bone that forms an angel with the rest of the structure
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| Sinus | Chamber within a bone, normally filled with air.
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| Process | Projection or bump (cheek bone)
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| Foramen | Rounded passageway for blood vessels or nerves
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| Fissure | Deep furrow, cleft or slit
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| Meatus | Passage or channel, especially the opening of a canal
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| Canal | Duct or channel
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Created by:
Garciamentzer
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