The contractile units of skeletal muscles are myofibrils. Thus,option A is correct.
<h3>What is skeletal muscles?</h3>
Skeletal muscles are 32 to 40% of total body mass. The type of muscles that connect to bones and allow to perform a wide range of movements and functions.
Skeletal muscles are easily controlled and work according to the desire .
Skeletal muscles are specialized tissue that is connected to bones and allows movement.
Therefore, the contractile units of skeletal muscles are myofibrils. Thus option 1st is correct.
Learn more about myofibrils here:
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Answer:
b.
Explanation:
the mouth, as the river deposits it's load at the end of the river, or the slowest area of the river
Answer:
Revolving Service Structure (RSS) of launch pad 39B
Answer:
mixing chemicals together
Explanation:
eating and drinking
