Question: What is a concubine? Why did God allow men to have concubines in the Bible? Answer: A concubine is a female who voluntarily enslaves and sells herself to a man primarily for his sexual pleasure. Concubines in the patriarchal age and beyond did not have equal status with a wife.
The type of muscle that is voluntary and striated is skeletal muscle. This type of muscle has a banded appearance called striations. The peripheral nervous system controls skeletal muscle.
Striated muscles are muscle which are formed by parallel fibers which are formed together to make muscle, where as non striated muscles are made up of one , difference between striated non striated and cardiac muscles on the the cells of non striated or smooth muscles are involuntary, spindle like , ends are flat and zig zag. Cells are uninucleate.