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.
A slug is considered a garden pest and a curiosity to many. This article will give basic slug information and description, the life cycle of slugs, different methods of slug control in gardens and around homes.
Slugs live on land and in saltwater, and one genus, Acochlidium, lives in freshwater. The unadorned word slug, however, is applied primarily to land slugs, whereas slugs from the sea or from fresh water are usually referred to as  sea slugs  or freshwater slugs.nternally, slug anatomy clearly shows the effects of this rotationâbut externally, the bodies of land slugs appear more or less symmetrical, except for the positioning of the pneumostome, which is on one side of the animal, normally the right-hand side.