HUBS 191 Progress Test 1 | 100% Correct Answers | Verified | Latest 2024 Version
What makes up the axial skeleton? - skull, vertebral column, rib cage What is recruitment? - activating more motor units to make more force What are flat bones? - Thin plates of compact bone - some cancellous What are flat bones used for? - protection and muscle attachment What are irregular bones? - Variable in shape size and function What is depolarisation? - Membrane potential becomes less negative what causes depolarisation? - Na+ enters the cell What are the features of the saddle joint? - - biaxial - flexion and extension - abduction and adduction - circumduction - opposition - e.g. carpometacarpal joint (thumb) What does skeletal muscle do? - - develop force - control posture - resist movement of joints - under voluntary control - provide support and protection for soft internal organs- voluntary control over major openings - converts energy (in part) to heat to maintain core temperature - provide a major store for energy and protein
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