Final answer:
Skeletal muscles are voluntary, striated muscles attached to bones and aid body movement. Smooth muscles are involuntary, non-striated muscles found in organ walls, contracting slowly and do not fatigue. Cardiac muscles are involuntary, striated muscles found in the heart, with intercalated discs for coordinated contractions.
Step-by-step explanation:
The three types of muscles in the human body include skeletal, smooth, and cardiac muscles. Skeletal muscles are voluntary muscles attached to bones, enabling body movement. They are striated with a banded appearance and fatigue quickly. Smooth muscles are involuntary, non-striated muscles found in the walls of organs and structures such as the esophagus, stomach, intestines, bronchi, uterus, urethra, blood vessels, and the eye. They slowly contract and do not fatigue. Cardiac muscles, found in the heart, are also involuntary, but they are striated like skeletal muscles and have a unique feature - intercalated discs - that connect cardiac muscle cells to each other, allowing for coordinated contractions and functionality of the heart.
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