Exam (elaborations)
HESI A&P Practice exam 2023 with 100% correct answers
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What vein returns blood to the heart, draining the head, neck, and upper torso? Superior Vena Cava In order for the actin filaments to bind to the myosin head, what must occur first? Calcium ions must bind to troponin molecules What valve is responsible for preventing the back flow ...
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