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.
Celebrations and tragedies alike can cause a stress response in your body. All of your feelings, positive or negative, create physiological changes. Your skin, heart rate, digestion, joints, muscle energy levels, the hair on your head, and countless cells and systems you don't even know about change with every emotion.