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49 Cards in this Set
- Front
- Back
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what houses the lungs heart and vasculature
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thoracic cavity
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what houses intestines, fetus and intestines
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pelvic girdle
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what is hemopoeisis
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production of red blood cells in bone
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a membrane that lines the outer surface of all bones
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periostinum
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shaft of long bone
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Diaphyis
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rounded end of long bone
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Epiphyis
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wider portion of long bone
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metaphyis
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line left after metaphysis stops
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Epiphyseal line
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a thin layer of connective tissue that lines the surface of bony tissue
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Endosteum
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decreases friction withthin joint
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Articular cartilage
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process of bone formation
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ossification
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bone building cells
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osteoblast
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mature bone cells
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osteocytes
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bone breakdown
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osteoclast
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dense hard bone, great strength
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compact bone
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mesh of thin bone
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spongy bone
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compact bone found in femur, tibia, fibia,
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long bone
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cube shaped, spongy bone
includes wrist, ankle |
Short bone
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thin, composed of two plates of compact bone includes skull
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flat bone
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small bones between joints in cranial bones
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sutural bone
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small bones wrapped in tendons ie wrist
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sesamoid
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two groups of bone,
- includes skull, vertebrea, ribs - upper and lower extremities |
Axial and Appendicular skeletal system
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8 cranial bones include
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2 occipital, 2 temporal, frontal, parietal, sphenoid, ethnoid
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7 vertebral bones
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cervical, thoracic, lunbar, sacral, cocyx
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3 parts of the sternum
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manubrium, body, xiphoid process
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how many ribs and space between ribs
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12 and intercostal
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shoulder blade
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shoulder scapula
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5 bones of the arm
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humerous(arm), ulna/radius(forearm), carpals(wrist), metacarpals(hand), phalanges
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6 bones of the leg
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Femur(thigh), patella(kneecap), tibia, fibia(shin), calcaneous(heel)
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articulation are the?
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joints
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3 types of muscle
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Skeletal, cardiac, smoove
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describe smallest unit of muscle fiber to largest
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fibers,epimysium, fasicles, perimysium
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anchor muscle to bone
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tendons
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cell membrane in muscle cell
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sarcolema
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inward extension of sarcolemma
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T-tubules
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cytoplasm of muscle fiber
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sarcoplasm
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threadlike structure that runs throught the muscle fiber
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myofibrils
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two structures of the myofilaments
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myosin, actin
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muscle cells do an all or nothing contraction true?
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true
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what binds to actin to start the process of contraction
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Ca+2
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between ribs, elevates ribs on inspiration
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External Intercostal
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between ribs, draw together on forced expiration
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Internal intercostal
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neck muscles used on inspiration
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scalene
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large neck muscle used in difficult breathing
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Sternodiedomastoid
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chest muscle that elevates ribs on forced inspiration
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pectorals
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state of partial contraction
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muscle tone
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rapid muscle contractions to smooth
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tetanus
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short thick contraction
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Isotonic
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no change in length but increased tensoin
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Isometric
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