Which best describes the muscular system?
the muscular system is made up of about 150 muscles.
the muscular system in digestion and circulation.
the muscular system allows conduction of nerve impulses.
the muscular system allows for movement by pushing.

The correct answer is option B, The muscular system helps in digestion and circulation

Explanation:

Muscles play an important role in digestion and circulation. Their primary roles are outlined as below:

a)Muscles around the stomach helps in the movement of food through the digestive system by contracting and moving  food to the small intestine by a process known as peristalsis

b)Jaw muscles helps to chew the food which is then swallowed with the assistance of muscles.  

c)The major digestive parts inclusive of the esophagus, the stomach, the small intestine, and the large intestine are also surrounded by muscles.  

d)The muscular system assist the small intestine break down food and villis on the wall of small intestine send the nutrients to the blood vessel.

e)The muscular system also surrounds the blood vessels and helps blood and nutrients move through the body

not always but somethings can be reproduced in a laboratory.