Muscular System: Anatomy Review:
Skeletal Muscle Tissue 1. Fill in the characteristics of the three muscle types: Muscle Type Cardiac Skeletal Smooth Shape of cell branched, cylindrical , short cylindrical, long, thick, unbranched small and spindle- shaped with tapered ends # of nuclei 1 or 2 centrally located multinucleat ed and peripherally located 1 centrally- located Striations striation is present striation is present no striation is present Control involuntar y contractio n voluntary contraction involuntar y 2. What attaches muscles to bone? __ Tendons _______________________. 3. The whole muscle is composed of muscle cells (fibers) grouped in bundles called ___ Fasicles _________. 4. Name the connective tissue coverings surrounding the following: 1. Whole muscle ________ Epimysium _________________ 2. Fascicles ___________ Perimysium ______________ 3. Muscle cell _____________ Endomysium ____________ 5. Match the following three terms with their definitions: 1. Sarcolemma ____2 endoplasmic reticulum in muscle cell 2. Sarcoplasmic reticulum ___3_ intracellular fluid around organelles 3. Cytosol ___1_ plasma membrane of muscle cell