Human+Body+-+Muscle

=__Human Body/Muscle__=


 * Interactive Video: [|muscle]**



What does a muscle look like?
A muscle is usually a long round organ. The color is red. A muscle is flexible and shortens and thickens during a contraction. The figure on the right shows a series of magnifications of a muscle. You can see that a muscle is a collection of fibres or strings which, each of which is capable of contraction. The added force of these fibres is the strength of the muscle. 

What are the parts of a muscle?
A muscle has two ends each of which attach to some other organ, usually a bone. These connectors are called tendons.  =**What are the different type of muscles in the human body?**= In the human body, different types of muscles have different responsibilities.
 * Skeletal Muscle** - These muscles are attached to the skeleton and are responsible for movement
 * Smooth Muscle** - This type of muscle is found in several body systems including the circularory, digestive, and urogenital systems. Smooth muscle is controlled by the autonomic nervous system and its responsibilities include helping in blood flow and aids in the digestive process.
 * Cardiac Muscle** - This type of muscle is found only in the heart. Its responsibilities is to pump the blood throughout the body.

= What is the function of a muscle? = Muscles produce almost all movements in our body. 

What organ systems is a muscle connected with?
= How does a muscle interact with other parts of the body? =
 * Nerves/blood vessels
 * Actor/Counteractor
 * Reflexes