<span>Smooth muscles and cardiac muscles
are both classified as involuntary. Both muscles are continuously working which
means it does not stop even when a person is at rest. As smooth muscles surround most of the walls
of the major organs of the body, cardiac muscle however can only be found in
the heart. They are not both innervated singularly which implies that the
impulses that travels through these paths are passed from a cell to another
cell. Both are automatically controlled by endocrine and nervous systems and
produce rhythmic contractions as impulses are innervated. </span>
Nutrients are compounds in foods essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical processes.
