Explanation:
Provided by the Food and drug administration.
If they understand how they work, it helps them with create new vaccines, medicines, etc.
Brainliest please! :c
Answer:
involuntary muscles
Explanation:
Skeletal muscle fibers are cylindrical, multinucleated, striated, and under voluntary control. Smooth muscle cells are spindle shaped, have a single, centrally located nucleus, and lack striations. They are called involuntary muscles.
hope this helps:)
