Nerve impulses control muscle contractions by releasing which ion? A) H⁺ B) Mg²⁺ C) Na⁺ D) Ca²⁺ E) Fe²⁺

Name: Nerve impulses control muscle contractions by releasing which ion? A) H + B) Mg 2+ C) Na + D) Ca 2+ E) Fe 2+
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Nerve impulses control muscle contractions by releasing calcium ions, which bind to troponin on the thin filaments in muscle cells, causing a conformational change that allows myosin and actin to interact and initiate muscle contraction.

Nerve Impulses Control Muscle Contractions by Releasing Which Ion