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ch9 quiz

ch9quiz

QuestionAnswer
Cartilage tissues are likely to be slow in healing following an injury because cartilage tissues have a poor blood supply
The increase in the number of motor units activated when the intensity of stimulation increases is called recruitment
Rigor mortis that occurs in skeletal muscles a few hours after death is due to lack of ATP, which prevents muscle relaxation.
The botulinus toxin that causes botulism acts by preventing the release of acetylcholine
A motor unit includes several muscle fibers and one motor neuron.
This type of muscle allows weight lifters to lift heavy weights for a short period of time Fast glycolytic
The impulse that triggers a contraction travels deep into a muscle fiber by means of transverse tubules
Active sites on the surface of actin form cross bridges with molecules of myosin.
The all-or-none response means when a muscle fiber contracts, it contracts completely
When a muscle undergoes atrophy in response to disuse, there is a reduction in capillary networks. the number of mitochondria decreases.the size of actin and myosin filaments decreases
Created by: adn
 

 



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