Match the type of muscle tissue with its structure/function. A. The cells are tapered and have one nucleus. B. Enables arteries to constrict or dilate to maintain blood pressure. C. Produces a significant amount of body heat. D. Forms the walls of the chambers of the heart; its function is to pump blood. E. Produces involuntary waves of contraction, called peristalsis, in the intestines. F. Also called visceral muscle because it is found in many internal organs. G. Also called voluntary muscle because nerve impulses are required for contraction. Answer: A. Skeletal muscle B. Smooth muscle C. Cardiac muscle
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Muscle tissue Place the following characteristics and images into the correct box to describe and show the three muscle tissue types. Some choices will be used more than once: spindle-shaped, nonstriated, uninucleated fibers involuntary occurs in walls of heart occurs in walls of viscera and blood vessels has striated, branched, uninucleated fibers has striated, tubular; multinucleated fibers usually attached to skeleton voluntary Smooth muscle Skeletal muscle Cardiac muscle
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Smooth muscle differs from both cardiac and skeletal muscle in that $a$. it can act as a pacemaker for rhythmic contractions. b. contractions of smooth muscle are not due to interactions between neighboring microfilaments. $c .$ neighboring cells are electrically connected by gap junctions. $d$ neighboring cells are tightly coupled by intercalated discs. e. the membranes of smooth muscle cells are depolarized by stretching.
Which type of muscle tissue can be described as involuntary, striated, and connected via intercalated discs? a. skeletal muscle b. cardiac muscle c. smooth muscle d. Two of these have the listed characteristics.
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