Exclusively breastfed babies do not require additional water even when it is very hot outside, as long as baby is allowed to nurse as needed. Even in extremely hot, dry weather your baby can get all the liquids needed via breastmilk.
Smooth muscles contract very slowly, whereas skeletal muscles can contract at different rates. Skeletal muscles can be composed of fast-contracting fibers, slow-contracting fibers or a mixture of both.
Smooth Muscle vs Cardiac Muscle. Most often, the term muscles mean the skeletal muscles for many of you, but there are two more types with a greater importance for survival of the animal. Smooth and cardiac muscles are the other two types. Smooth muscles are found in inner organs while cardiac muscles are found only in the heart. â¢ Cardiac muscles are striated, but smooth muscles are non-striated. â¢ Each cardiac muscle cell has one or more nuclei, but the smooth muscle cells are single nucleated.