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Skeletal Muscles
...  tissues: the smooth, the cardiac and the skeletal muscles. The smooth muscles make up the muscle tissues in hollow organs in the body, such as the stomach, gastro-intestinal tract and uterus; The cardiac muscle is located in the heart; and lastly, the skeletal muscles are found attached to bones. To understand the skeletal muscles, here is a simpler explanation about them. Anatomy The  ...

Cardiac Muscle
...  contracts, the individual muscle cells shorten and thus, cause the continuous beating. In order to understand the functions better, take a look at it under the microscope. Histology The individual cardiac muscle has a cylindrical shape, almost similar with the skeletal muscle. It also has an alternating light and dark band representing the proteins, actin and myosin. However, unlike the  ...

Conduction System of the Heart
...  of the heart as it is responsible for setting the heart rate and rhythm. This impulse spreads through the atria, which causes the walls to contract. The neurons that supply the nerves to the cardiac muscle hold several similarities to the neurons that innervate the skeletal muscle. These neurons can be greatly influenced by the sympathetic part of the autonomic nervous system. The  ...


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