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Stack #25706
Muscular System
| Question | Answer |
|---|---|
| What is the muscle movement where the limb is moved away from the midline of the body? | Abduction |
| What is the chemical transmitter associated with an action potential? | Acetylcholine |
| What protein makes up the thin filaments of muscle fibers? | Actin |
| What is the electrical charge involved in muscle contraction called? | Action Potential |
| What is the movement of a limb toward the midline of the body called? | Adduction |
| Muscles that work opposite each other are called ______. | Antagonists |
| A sheet of muscles that connect to a bone is called _______. | an aponeuroses |
| The flexion of the foot so that the toes point toward the shin. | Dorsiflexion |
| A muscle movement that increases the angle between two bones. | Extension |
| Muscles that act to immobilize a joint or a bone are called _______. | Fixators |
| Movement that decreases the angle of a joint. | Flexion |
| The place on a moving bone where the muscle attaches. | Insertion |
| A group of muscle cells and the neuron that stimulates it is called a ________. | Motor Unit |
| Myofibril | Fiber-like organelles found in the cytoplasm of muscle cells. |
| Myosin | The protein that makes up the thick filaments of a muscle. |
| The space between a neuron and a muscle fiber. | Neuromuscular Junction |
| Any chemical that carries a message between a nerve cell and another cell is called a ______. | Neurotransmitter |
| The place where a muscle attaches onto a stationary bone. | Origin |
| Oxygen Debt | The volume of oxygen required after exercise to oxidize the lactic acid formed during exercise. |
| Flexion of the foot that points the toes. | Plantar Flexion |
| Prime Mover | Muscle wholse actions are primarily responsible for a particular movement. (Agonist) |
| A movement that turns the palm of the hand to face posteriorly. | Pronation |
| A movement that turns the hand to face anteriorly. | Supination |
| A fluid-filled space between two nuerons is a _______. | Synaptic Cleft |
| Two muscles that work together are called _______. | Synergists |
| A cord of fibrous tissue that attaches muscle to bone is called a ________. | Tendon |
Created by:
Holly Thomas
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