Answer;
-Smooth muscle
The kind of muscle that raises the hairs on the arm is smooth muscle
Step-by-step explanation;
-Smooth muscle generally forms the supporting tissue of blood vessels and hollow internal organs, such as the stomach, intestine, and bladder.
-They have a number of functions for example; the smooth muscle in the uterus helps a woman to push out her baby. In the bladder, smooth muscle helps to push out urine. Smooth muscle determines the flow of blood in the arteries. Smooth muscles move food through the digestive tract. etc.