HESI A2 A&P ELSEVIER BOOK EXAM QUESTIONS WITH COMPLETE ANSWERS
HESI A2 A&P ELSEVIER BOOK EXAM QUESTIONS WITH COMPLETE ANSWERS what must be present for a muscle cell to contract? - Answer-calcium & adenosine triphosphate (ATP) what does nervous stimulation from motor neurons cause? - Answer-the release of calcium ions from the sarcoplasmic reticulum what do calcium ions attach to? - Answer-inhibitory proteins on the actin filaments within the cell, moving them aside so that cross bridges can form between actin & myosin filaments using energy supplied by ATP, the filaments do what? - Answer-slide together to produce contraction what muscles make up the muscular system? - Answer-skeletal muscles -also known as voluntary muscles because they are under conscious control how must skeletal muscles work? - Answer-in pairs
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hesi a2 ap elsevier book exam questions with comp
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ell basic unit of life the building block of t
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what happens during mitosis answer dna is dupli
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two layers of skin answer epidermis dermis
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