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Week 7
Question | Answer |
---|---|
What are the two subdivisions of the nervous system? | Central nervous system (CNS) and Peripheral nervous system (PNS) |
Where is the only source of cardiac muscle found in the body? | The heart |
What are myosin "heads" known as when attached to actin? | Cross bridges |
What are the two groups of muscles based on location on the body? | Axial and appendicular |
What muscle is responsible for flexing the arm and draws it across the chest? | Pectoralis major |
What is the muscles that allows the thumb to oppose the other fingers? | Opponens pollicis |
What muscle is responsible for shrugging the shoulders? | Trapezius |
How much of our body weight is skeletal muscle? | 40%-50% |
What is the point of attachment that does not move when a muscle contracts? | Origin |
What is a prime mover muscle? | A muscle that directly performs a specific movement. |
What muscle is referred to as a "six pack"? | Rectus abdominus |