Teachers and administrators study course design to ensure that: 1  What the department is obligated to teach in a given course at a given level in a given program is actually taught. 2  The alignment of intention of the course, instruction, and assessment are clear and firmly aligned.
Cardiac muscle (heart muscle) is involuntary striated muscle that is found in the walls and histological foundation of the heart, specifically the myocardium. Cardiac muscle is one of three major types of muscle, the others being skeletal and smooth muscle.ardiac muscle cells, unlike most other tissues in the body, rely on an available blood and electrical supply to deliver oxygen and nutrients and remove waste products such as carbon dioxide. The coronary arteries help fulfill this function.
Heart or Cardiac Muscle: Top of Page. Heart Muscle The heart is essentially a big muscle. The cardiac muscle of the heart is responsible for the contractions that pump blood through the body. Cardiac muscle is a specialized muscle only found in the heart. It is striated with narrow dark and light bands, similar to skeletal muscle. However, the bands are narrower and much shorter than skeletal muscle. One unique characteristic of cardiac muscle is that it does not fatigue.