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Author Question: The _________ principle relates to the fact that growth in infants proceeds from the trunk outward, ... (Read 174 times) |
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.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
The human body produces and destroys 15 million blood cells every second.