Well known as a youthful icon, and attracted to the benefits of plastic surgery for celebrity image, she has called herself â the plastic surgery poster girl â. However, she has denied having procedures such as cheek implants.
1. Slow twitch fibres (Type I): Slow twitch fibres contract slowly but can contract repeatedly over long periods. They have a good blood supply, hence they are âred fibresâ, and are suited to endurance activity using the aerobic energy system which relies on oxygen from the blood for the supply of energy.
C. There are no sarcomere structures, but filaments of actin and a type of myosin are present. Thus, contraction is much less organized and occurs more slowly than it does in striated or cardiac muscle. Another reason for this slower contraction is that smooth muscle cells do not contain a transverse tubule system.ardiac muscle is capable of involuntary, strong, rhythmic contractions. C. Smooth muscle-this muscle is not striated and is found in the walls of the visceral organs. Mononucleate cells. In addition to contraction, smooth muscle cells synthesize collagen, elastin, and proteoglycans (like fibroblasts).