Each myosin thick filament is surrounded by actin thin filaments, and each thin filament is surrounded by thick filaments. Several of these filament bundles make up the functional portion of a muscle cell. It is also important to note that the thin filaments are attached to a very dense protein plate called a Z disc.
Back to articles. Stress plays a major part in the health of our skin. When we are stressed, a hormone called cortisol is released, causing many things to occur in our bodies, including accumulating fat, as well as make your skin very dry, oily, wrinkled, or full of acne. One stress effect on the skin is wrinkling.
all becoming more aware of how stress affects our lives. The sympathetic nervous systemenforces stress on the body: it causes our hearts to pound, our blood pressure to soar, and adrenaline to flood our system. In a sympathetic response our muscles tense up for running or fighting. We get a dry mouth and an upset stomach. In short, we direct