Skeletal muscle cells cannot divide. How does skeletal muscle repair itself when injured?

Would you expect to find motor units and recruitment in single-unit smooth muscle tissue and cardiac muscle tissue? Why or why not?

Describe similarities and differences in the three types of muscle cells.

On a microscopic scale, explain how muscle fibers move in order to make a muscle shorter? Explain why when we die our muscles contract into a state called rigor mortis.

Skeletal muscles would be expected to contain large numbers of ————— because of their high energy demands 1. Lysosomes 2.cilia 3. Mitochondria 4. Chloroplasts

In which muscle tissue do you find specialized cell junctions called intercalated discs that connect one cell with another .

28. 39-43 TRUE OR FALSE Sarcolemma is the plasma membrane of the muscle fiber. Myosatellite cells, remain closely associated with the plasma membrane. Lymphatic vessels are seen only in the perimysium. Capillaries are in close contact with skeletal muscle fibers. Nebulin, the largest known proteins, connects the Z band to the M band The normal time for turnover of keratinocytes from stratum basale to uppermost stratum corneum varies from 20 to 75 days

How would muscle contractions be affected if skeletalmuscle fibers did not have T-tubules?

Skeletal muscle fibers regularly divide by mitosis. True False

Why calcium is important in skeletal muscle contraction?