One of pterosaurs' most distinctive features is the head crest, a striking structure made of hornlike material and soft tissue supported by bone. Some evidence suggests they might've even been brightly colored. Whatever the crests' exact appearance, there is significant disagreement over what they...
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By putting the patient into a coma, doctors essentially put the brain into hibernation, which reduces the amount of blood and oxygen flow it needs and helps protect against tissue damage until the patient's body has had a chance to recover. In the fall of 2004, doctors in Wisconsin induced...
Muscles and tissue that connect the skin to the skull are severed with a knife. The skull is generally thrown into a nearby river. The eyes are removed and discarded and the cartilage that anchors the nose and ears are cut away, leaving just the skin and hair that makes up the face ...
(cGMP). This causes the smooth muscle cells to relax and the arteries in the penis to dilate, which increases the blood flow to the penis and causes the erectile tissue to also fill with blood. The combination results in an erection.Viagra worksby maintaining the level of cGMP in the ...
people also feared living vampires, orstrigoi viu. Strigoi viu were cursed living people who were doomed to become strigoi mort when they died. Babies born with abnormalities, such as a tail-like protrusion or a bit of fetal membrane tissue attached to the head (called a caul), were usually...
Spraying liquid soap into a tissue, not directly onto bleeding area, since blood can become airborne when the spray hits it Giving pens used for drawing on the skin, which should be medical grade and sterile, to the client Tattoo artists must also take special safety measures regarding their ...
After all, Knievel himself ended up in the hospital after many of his stunts, and he even said that he was "nothing but scar tissue and surgical steel" [source: Severo]. But in addition to making an indelible impact on a generation of kids, Knievel also made an impact on popular ...
Orchid cloning, a form of tissue culture, is a sophisticated method used to reproduce orchids identically. This technique involves taking a small piece of the orchid plant, often from the tip or a new growth, and placing it in a sterile, nutrient-rich medium under controlled environmental condi...
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