The distance between 1 and 7 spans a sarcomere correspond the structure at B is covered by the perimysium.
<h3>What is the smallest contractile unit within skeletal muscle?</h3>
A sarcomere comprises the segment between two consecutive Z lines and is the contractile unit of the muscle fiber, as it is the smallest portion of the muscle fiber capable of contraction and distension.
In this case, the distance between points 1 and 7 has the smallest structure of a skeletal muscle and corresponds to figure B.
See more about sarcomere at brainly.com/question/14005497
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Space satellites
Environmental
Answer:
Its "No, eukaryotic cells cannot live without
mitochondria and chloroplasts; they provide
the energy cells need to survive."
Explanation:
Hoped this helped, have a great day
Brainlist?
Answer:
<em>Only one process involves sperm and eggs</em>
Volume= length*width*depth
depth=Volume/(length*width)
d=2500/(40*22)
d= 2500/880
depth=2.841ft hope this answer helps you