Answer:
When a muscle contracts, the actin is pulled along myosin toward the center of the sarcomere until the actin and myosin filaments are completely overlapped.
Explanation:
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Non living things like mountains,oxygen,water.etc
Invasive firestorm method. All pests are now dead with the added benefit of fewer trees to infest.
<span>Coronary arteries supply blood to the heart muscle.</span>
It's controversial because the best source of stem cells is a human embryo (an aborted fetus).