Muscle Tissue

Question 1

Skeletal Muscle

Answer 1

• packaged by connective Tissue sheets and attached to the skeleton via tendons
• long, cylindrical, multinucleate (from fusing together)
• for locomotion, can be controlled voluntarily

Question 2

Smooth muscle (viscéral)

Answer 2

-no striations
-uni-nucleate, spindle shaped
-found in hollows of organs
-doesn’t contract as quickly, but can sustain contraction for much longer
Ex) peristalsis: wave-like motion of small intestine

Question 3

Cardiac Muscle

Answer 3

• in the heart, makes up atria and ventricles
• pumps blood through blood vessels
• cells are parallel and striated
• joined at intercalated discs, using gap junctions
• uninucleate, short, branched