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11.2 Crusade Notes

After the Immunology Quiz on Friday, delight create the next inward your notes:  The IB mass is helpful in addition to too the video link on the sliding filament model.

  1. Explain how bones in addition to exoskeletons render anchorage for muscles in addition to human activity every bit levers.  (look at diagrams on p. 477).
  2. Explain the concept of antagonistic musculus pairs in addition to laissez passer an representative amongst humans in addition to amongst insects.
  3. Examine the diagram of the human elbow articulation on p. 478.  Then, listing the construction in addition to utilisation of  a)  cartilage     b)  synovial fluid      c)  joint capsule
  4. Distinguish betwixt a hinge articulation in addition to a ball in addition to socket joint, giving an representative of each inward humans.
  5. What are the three types of muscles?  Why are skeletal muscles called striated?
  6. Look at the diagram of a musculus fibre on p. 480 in addition to endeavour to describe it inward your notes, labeling the of import parts:  sarcolemma, nuclei, myofibrils, in addition to sarcoplasmic reticulum. 
  7. Draw a diagram of a sarcomere in addition to label:  actin, myosin, z-line, low-cal band, in addition to nighttime band.  
  8. Describe the procedure of musculus contraction (p. 482)
  9. Now, listing the steps of controlling a musculus contraction.  Start amongst betoken from motor neuron to musculus fibre, in addition to then sarcoplasmic reticulum releases _________, in addition to driblet dead on through the procedure listed inward the diagram on p. 483.
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