According to the sliding filament mechanism of muscle contraction, the muscle fibers of one motor unit slide in closer together between the muscle fibers of adjacent motor units
Indicate whether the statement is true or false
F
Anatomy & Physiology
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To transmit a nerve impulse, acetylcholine diffuses across a space called the ________ to bind to receptors on the postsynaptic membrane.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Compare the external and internal body environments
What will be an ideal response?
Anatomy & Physiology
During muscle contraction, myosin crossbridges bind to active sites on:
A) troponin. B) tropomyosin. C) actin. D) T-tubules.
Anatomy & Physiology
Hannah has an auto-immune disease in which the beta cells of the pancreas are destroyed. As a result, she does not make enough insulin. What disease does she have?
A) multiple sclerosis B) Graves' disease C) myasthenia gravis D) type I diabetes mellitus E) systemic lupus erythematosus (SLE)
Anatomy & Physiology