The extrinsic pathway is a clotting system that is initiated by chemicals that come from outside the body.
Answer the following statement true (T) or false (F)
False
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During concentric contractions of skeletal muscle, the I band and H zone shorten but the A band stays the same.
Answer the following statement true (T) or false (F)
As a molecule of oxygen enters the body and is delivered to the cells, it passes through many structures. Which sequence shows the correct pathway?
nose, pharynx, larynx, alveolus, bronchus, trachea pharynx, bronchiole, larynx, alveolus, bronchus, trachea larynx, pharynx, alveolus, trachea, bronchus nose, pharynx, trachea, bronchus, bronchiole, alveolus
When considering leverage, the part of the bone from the muscle attachment to the joint would be the
A. fulcrum. B. resistance arm. C. effort arm.
Which effect can be attributed to increased pressure on a bone?
A. Increased osteoblast activity B. Increased osteoclast activity