muscular system
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show | Muscle Fibers
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show | Contractility, Excitability, Extensibility, Elasticity
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show | Contractility
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show | Excitability
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show | Extensibility
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show | Elasticity
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A connective tissue sheath that surrounds each skeletal muscle | show 🗑
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show | Fascia
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show | Perimysium
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A connective tissue sheath that surrounds muscle fibers | show 🗑
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show | Myofibrils
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show | Actin Myofilaments
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show | Myosin Myofilaments
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show | Sarcomeres
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show | Sarcomere
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Where each sarcomere extends from | show 🗑
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show | I band
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A band extending the length of the myosin that is the darker central region of the sarcomere | show 🗑
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show | H zone
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The myosin myofilaments are anchored in the center of the sarcomere at a dark stained band called the | show 🗑
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Raises the eyebrows | show 🗑
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show | Orbicularis oculi
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Puckers the lips | show 🗑
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Flattens the cheeks. Trumpeter's muscle. | show 🗑
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show | Orbicularis oris and buccinator
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show | Zygomaticus
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Sneering | show 🗑
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show | Depressor anguli oris
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Mastification | show 🗑
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Change the shape of the tongue | show 🗑
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Move the tongue | show 🗑
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show | Sternocleidmastoid
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Group of muscles on each side of the back. Responsible for keeping the back straight and the body erect | show 🗑
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Elevate the ribs during inspiration | show 🗑
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Contract during forced expiration | show 🗑
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show | Diaphragm
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show | Trapezius
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Pulls scapula anteriorly | show 🗑
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show | Pectoralis major and latissimus dorsi muscles
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show | Pectoralis major
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show | Latissimus dorsi
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Flexes forearm | show 🗑
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show | Brachioradialis
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Attaches the humerus to the scapula and clavicle, and is the major abductor of the upper limb | show 🗑
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show | Flexor carpi
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show | Extensor carpi
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Flexes the fingers | show 🗑
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show | Extensor digitorum
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show | Intrinsic hand muscles
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show | 19
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Muscles located between the metacarpals, are responsible for abduction and adduction of the fingers | show 🗑
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show | Gluteus maximus
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show | Quadriceps femoris
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show | Sartorius
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Posterior thigh muscles; flexes the leg and extends the thigh | show 🗑
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show | Gastrocnemius and soleus
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show | Peroneus muscles
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Muscles located within the foot, flex extend, abduct, and adduct the toes | show 🗑
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show | 20
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show | Muscle twitch
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The time between application of a stimulus to a motor neuron and the beginning of a contraction is the | show 🗑
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The time of contraction is the | show 🗑
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show | Relaxation phase
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Where the muscle remains contracted without relaxing. | show 🗑
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The increase in number of motor units being activated is called | show 🗑
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needed for energy for muscle contraction. | show 🗑
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Where is ATP produced? | show 🗑
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It is necessary for muscle cells to constantly produce ATP. When at rest they canât stockpile ATP but they can store another high-energy molecule, called | show 🗑
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Which type of respiration is without oxygen? | show 🗑
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Which type of respiration uses oxygen? | show 🗑
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show | Aerobic
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show | Muscle fatigue
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The ________\_____ is the most stationary end of the muscle. | show 🗑
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show | Insertion
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The portion of the muscle between the origin and the insertion is the | show 🗑
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Muscles that work together to accomplish specific movements are called | show 🗑
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show | Antagonists
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