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.
Evolution: The banana slug is a mollusk, which came from the sea. Their stages of evolution can be seen in other various species of land and sea mollusks. Therefore, slugs are believed to have evolved from marine snails and to have once been protected by a large shell (Harper 1988).he banana slug is the second largest slug in the world, growing up to 10 inches in length. On average they range between 6-8 inches, with a life span of 1-7 years (Harper 1988). Their coloring is sometimes bright yellow, occasionally with black spots, or solid greenish.