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Author Question: When using the method of Anecdotal Recording, it is important for the teacher to a. include ... (Read 252 times) |
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.