Answer:
Endothelial cells form the inner lining of the cardiovascular system and lymphatic system structures
Explanation:
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Biomechanics is the term. Its studies the structure and function of biological systems.
Confirm that the bleeding is actually from within the mouth and not from the gastrointestinal tract. If blood is coming up from the throat or being vomited, there could be a serious medical problem...
If the patient is not responsive, the rescuer should lay the patient in the recovery position and suction the mouth to prevent the airway from becoming blocked.
