A. instinct.<span>Instinct is the tendency of an animal to exhibit a particular complex behavior.</span>
Answer:
Muscle contraction thus results from an interaction between the actin and myosin filaments that generates their movement relative to one another.
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Answer/Explanation:
<em>ATP is consumed for energy in processes including ion transport, muscle contraction, nerve impulse propagation, substrate phosphorylation, and chemical synthesis. These processes, as well as others, create a high demand for ATP.</em>