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anatomy
| Question | Answer |
|---|---|
| Q: What is the organ of the skeletal system? | A; Bone |
| Q: Which muscle extends and adducts the arm? | A: Latissimus dorsi |
| Q: The contraction where a muscle shortens to produce movement is called? A: Isotonic contraction | A: Isotonic contraction |
| Q: What is the role of the sarcoplasmic reticulum in muscle fibers? | A: Stores and releases calcium ions for muscle contraction |
| Q: Which muscle is the prime mover of forearm flexion when the forearm is semi-pronated? | A: Brachioradialis |
| Q: What is the main function of the diaphragm? | A: It contracts to increase thoracic cavity volume for inhalation |
| Q: What type of lever is the elbow when lifting a weight with your hand? | A: Third-class lever |
| Q: What is the energy molecule that creatine phosphate helps replenish in muscle cells? | A: ATP |
| Q: Which four muscles compress the abdominal contents? | A: Rectus abdominis, external oblique, internal oblique, transverse abdominis |
| Q: What is the term for the connection between a motor neuron and a muscle fiber? | A: Neuromuscular junction |