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HESI A2 Anatomy & Physiology: Muscular System Practice Questions and Answers
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HESI A2 Anatomy & Physiology: Muscular System Practice Questions and Answers
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©SOPHIABENNETT@2024-2025 Monday, August 19, 2024 12:35 AMHESI A2 Anatomy & Physiology: Muscular
System Practice Questions and Answers
how do muscles produce movement - Answer✔️✔️-by contracting in
response to nervous stimulation
muscle contraction results from...... - Answer✔️✔️-the sliding together of
actin and myosin filaments within the muscle cell or fiber
each muscle cell consists of? - Answer✔️✔️-myofibrils which are made up of
smaller units called sarcomeres
myofibrils are made up of ? - Answer✔️✔️-sarcomeres
What chemicals or minerals must be present for a muscle cell to contract? -
Answer✔️✔️-calcium and ATP, called adenosine triphosphate
during muscle contraction, nervous stimulation from the _________
neurons release _________ ions from the ______________ _____________. -
Answer✔️✔️-motor, calcium, sarcoplasmic reticulum
during muscle contraction, calcium ions attach to _____________
_____________ on the ___________ _____________ within the cell moving
them aside so cross-bridges can form between _____________ and
__________ filaments - Answer✔️✔️-inhibitory proteins, actin filaments,
actin, myosin
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