| Term 
 
        | Sinoatrial Node is in the: |  | Definition 
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        | Cardiac excitation begins in: |  | Definition 
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        | the Sinoatrial Node acts as a: |  | Definition 
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        | Signals from the Sinoatrial Node travel to the: |  | Definition 
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        | From the AV Node the signal travels to the: |  | Definition 
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        | Term 
 
        | After the AV bundle the signal travels to: |  | Definition 
 
        | right and left bundle branches |  | 
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        | The last stop of the action potential is the: |  | Definition 
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        | Relaxation phase of the heart |  | 
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 | Definition 
 
        | Outer covering of a blood vessel |  | 
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        | Term 
 | Definition 
 
        | Middle layer of a blood vessel |  | 
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 | Definition 
 
        | Inner lining of a blood vessel |  | 
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        | union of two or more arteries supplying the same region |  | 
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        | Outer layer of heart tissue |  | 
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 | Definition 
 
        | Middle muscle layer of the heart |  | 
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 | Definition 
 
        | Innermost muscle layer of the heart |  | 
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 | Definition 
 
        | Muscles attached to the inferior part of the cusps |  | 
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 | Definition 
 
        | the wrinkles in the brain groove separating the ventricles of the heart
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 | Definition 
 
        | Clot attached to vessel wall |  | 
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        | membrane lining the outside of bones |  | 
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 | Definition 
 
        | membrane lining the inner surface of bones |  | 
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 | Definition 
 
        | folds in the stomach lining |  | 
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        | Term 
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        | Term 
 
        | Cellular level of organization |  | Definition 
 
        | Cells -> tissues -> organs -> organ systems -> organisms |  | 
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        | Term 
 | Definition 
 
        | bones at the far back of the foot |  | 
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        | Term 
 | Definition 
 
        | bones in the middle of the foot |  | 
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        | Term 
 | Definition 
 
        | bones of the toes bones of the fingers
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        | shallow depression in a bone |  | 
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        | part of the scapula in which the head of the humerus sits |  | 
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        | Term 
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        | large, round protuberance at the end of a bone |  | 
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        | projection above a condyle |  | 
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        | large projection next to the head of the femur |  | 
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        | Term 
 | Definition 
 
        | small projection about two inches down the shaft of the femur |  | 
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        | Term 
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        | small, rounded projection |  | 
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        | Term 
 | Definition 
 
        | rounded projection next to the head of the humerus |  | 
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        | Term 
 | Definition 
 
        | Large, round, rough projection |  | 
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        | Term 
 | Definition 
 
        | rough bottom edge of pelvis |  | 
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 | Definition 
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        | Term 
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        | superior portion of sternum |  | 
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        | Term 
 | Definition 
 
        | inferior portion of the sternum |  | 
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        | Term 
 | Definition 
 
        | the two big bumps on the bottom of  the skull part of the temporal bone
 |  | 
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        | Term 
 | Definition 
 
        | bony prominence on either side of the ankle |  | 
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        | semilunar notch trochlear notch
 |  | Definition 
 
        | curve of the ulna around the humerus |  | 
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        | Term 
 | Definition 
 
        | process of the ulna on interior of the elbow |  | 
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        | Term 
 | Definition 
 
        | large flat bone of the pelvis |  | 
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 | Definition 
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        | anterior to the vertebral column drains the thoracic and abdominal wall
 right of the midline
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