Ischemia is the medical term for what happens when your heart muscle doesn't get enough oxygen. Ischemia usually happens because of a shortage of blood and oxygen to the heart muscle.It is usually caused by a narrowing or blockage of one or more of the coronary arteries (which supply blood to the heart muscle).schemia is the medical term for what happens when your heart muscle doesn't get enough oxygen. Ischemia usually happens because of a shortage of blood and oxygen to the heart muscle.
The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s 2 when a force of one pound (lbF) is exerted on it.
Snails. The main difference between slugs and snails is the equipment the snail comes with; his shell, which grows along with his body. Most snails are gray, but the shells can range from white to brown or almost black, and be mottled or striped.lugs and snails are mollusks, the same family of creatures claiming oysters, octopus, squid and clams. There are more than 60,000 species of snails and slugs. The varieties living in the sea begin life as larvae floating about in plankton. Land and freshwater slugs and snails typically hatch from eggs.