musulcar system

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tinnaa012
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musulcar system
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2012-01-09 17:33:24
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  1. 3 basic types of musices:
    • -skeletal: pull on bones
    • -cardiac : pushes blood
    • -smooth : pushes food and liquid with digestive system
  2. characteristics of muscles
    • -elonagated
    • -contraction of musicles is due to movement of microfilaments
    • -sahre terminiology
  3. myo and mys refer to:
    muscle
  4. sacro refers to
    flesh
  5. function of skeletal muscles:
    • -maintain posture n body postition
    • -support soft tissue
    • -maintain body temp
  6. connective tissue around each muscle fiber is the
    endomysium
  7. layer around WHOLE is the
    epipmyisum
  8. layer around each fasicle is the
    perimysium
  9. characteristics of smooth muscle;
    • -no striations
    • -spindle shaped cells
    • -involuntary
  10. characteristics of cardiac muscle;
    • -has straitions
    • -involuntary
    • -found only in heart
  11. 4 functions of muscles
    • -produce movement
    • -maintain posture
    • -stablize joints
    • -generate heat
  12. antagognist muscle -
    muscles that oppose or resist the action of another muscle
  13. synergist muscle -
    muscle that works together for a common effect
  14. how much ATP is produced in aerobic respiration?
    30-36 ATP per glucose
  15. how much does anaerobic produce?
    2 ATP per glucose
  16. frontalis
    raises eyebrows
  17. orbicularis oculi
    eye movement
  18. orbicularis oris
    lip movement
  19. temporalis and masseter
    closes jaw
  20. zygomaticus
    mouth movement
  21. biceps brachii
    forearm
  22. the plasma membrane of muscle cells is called the
    sarcolemma
  23. what makes cells look striated?
    myofibril
  24. storage of calcium
    sarcoplasmic reticulum
  25. the position on muscle cell where the nerve fiber connects is called
    neuromuscular function
  26. gap btw the nerve ending and muscle cell is the
    synaptic cleft
  27. energy is provided for muscle contraction by
    ATP
  28. the end that is stationary when a muscle contracts is the
    insertion
  29. the end that moves is the
    origin
  30. bending at a joint is called
    flexion
  31. straighting a joint is called
    extension
  32. the muscle that mostly involved in any action is called the
    prime mover
  33. bundles of fiber
    fasciles
  34. high energy molecule
    creatine phosphate
  35. contractle unit of a muscle fiber
    sacromere
  36. ability to receive and respond to a stimulus
    irritability
  37. ability to shorten when an adequate stimulus is received
    contractility
  38. 5 steps of muscle contraction:
    • -calcium is released from sarcoplasmic retiuclum and binds into thick filaments.
    • -thin n thick filaments attach
    • -myosin will pull actin and will slide over each other
    • -atp is used
    • -cycle may be repeated
  39. 2 parts of a motor unit are:
    neuron and a muscle cell
  40. neurtransmitter =
    chemical that is released by a nerve impulse
  41. acetylcholine -
    neurotransmitter in skeletal muscle
  42. what ways do integumentary, skeletal, nervous system help muscular system?
    • -skin helps protect from dryin out
    • -skeletal: provides attachment
    • -nervous: sends messages to muscles to contract

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