attached to bone and its contraction is responsible for supporting and moving the skeleton. The contraction of these muscles is initiated by action potential propagating down motoneurons to the muscle and can be under voluntary control. Smooth Muscle: sheets of smooth muscle surround various hollow organs and tubes (e.g., stomach, intestines, urinary bladder, uterus, blood vessels and airways). Contraction of these cells may propel the luminal contents through the organ or regulate internal flows by changing…
Words 7850 - Pages 32