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.
Skeletal muscle is the voluntary muscle in which contraction occurs with conscious thought; but cardiac and smooth muscles are involuntary in which contraction occurs without conscious thought. Skeletal Muscle. Based on its structure skeletal muscle is called striated muscle.ardiac muscle is specifically found in the myocardium of the heart, and it is a striated and involuntary muscle. Cardiac muscle is composed of cardiac muscle cells, which are called cardiomyocytes, which have one, two, or rarely three or four nuclei.