Body Structure and Function - Muscular System PT2 -
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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| describe the size of muscle fibres | show 🗑
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| show | sacrolemma
transverse (T) tubules
sacroplasmic recticulum
myofibrils
sacromeres
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| show | sacrolemma
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| sacrolemma? | show 🗑
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| what does the sacrolemma surround? | show 🗑
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| show | T tubules
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| show | sacrolemma to contractile parts of cell
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| show | extracellular fluid
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| show | coordinated contraction of entire cell
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| show | contractile myofilaments of actin and myosin
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| show | T tubules and sacroplasmic recticulum
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| show | sacrolemma at both ends of muscle fibre
so contraction shortens whole cell
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| where do glycogen granules and mitochondria sit? | show 🗑
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| show | to provide ATP for contraction
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| what sits in the sacroplasm adjacent to myofibrils to provide ATP for contraction | show 🗑
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| TC? | show 🗑
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| show | Ca2+
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| why is a high conc of Ca2+ needed in TC? | show 🗑
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| triad? | show 🗑
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| 2x TCs and T tubule? | show 🗑
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| sacroplasmic recticulum is important why? | show 🗑
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| show | repeating unit of myofibrils
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| alternating patterns of light and dark are created by what in sacromeres? | show 🗑
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| show | light and dark
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Created by:
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