These 10 animal facts will amaze you. A cavity wall consists of two separate walls that have been built closely together with a space in between them. Each of these walls can be constructed of a different type of masonry, such as brick or concrete, or from other materials.
The CPK blood test is a laboratory test that measures creatine phosphokinase (CPK), which is one of the enzymes found in the brain, heart, and skeletal muscles. This is a useful test for helping doctors to diagnose problems such as muscle damage, heart attack, and related conditions. slide 1 of 4.
This test measures the amount of an enzyme called creatine kinase (CK) in your blood. CK is a type of protein. The muscle cells in your body need CK to function.Levels of CK can rise after a heart attack, skeletal muscle injury, strenuous exercise, or drinking too much alcohol, and from taking certain medicines or supplements.K is a type of protein. The muscle cells in your body need CK to function. Levels of CK can rise after a heart attack, skeletal muscle injury, strenuous exercise, or drinking too much alcohol, and from taking certain medicines or supplements.