Fill in the Blank QuestionFill in the blank question.The alternating contraction sequence of both the inner circular layer and outer longitudinal muscle layers that moves material through the GI tract is known as .

Contraction of muscle fibre takes place by the sliding of :-A Thin filaments over the actin filaments  B Thick filaments over the thin filaments  C Thin filaments over the thick filaments D Thick filaments over the myosin filaments

Fill in the Blank QuestionFill in the blank question.The nerve fibers that control the contractions of the circular and longitudinal layers of the muscularis are called the plexus.

Multiple Choice QuestionThe fibers of the inner layer of smooth muscle are oriented ______ around the GI tract, and are called the inner ______ layerMultiple choice question.obliquely; obliquelongitudinally; longitudinalcircumferentially; circular

Which of the following happens as actin and myosin filaments slide past each other during muscle contraction?

Shortening of a muscle cell is known as what type of contraction?staticconcentriceccentricinvoluntary