Answer:
The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.
Answer:
it develops from the womb
The answer is in the photo.
You should clean up after every investigation because if you leave a mess, maybe another detective will come in and get lost because of the mess you left.
