|
|
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
![Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_6_26_25_261392239.jpeg)
![Of four outcomes people can have after exposure to trauma, the most prevalent is resilience. Others, ...](https://biology-forums.com/gallery/27/medium_660366_08_04_17_10_05_20_27563517.jpeg)