During contraction, the filaments slide past he thick filaments, shortening the sarcomere. The thick and thin filaments do the actual work of a muscle, and the way they do this is pretty cool. Thick filaments are made of a protein called myosin. At the molecular level, a thick filament is a shaft of myosin molecules arranged in a cylinder. Thin filaments are made of another protein called actin. The thin filaments look like two strands of pearls twisted around each other.
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The first step to become a registered nurse is to successfully complete an accredited nurse program in the category of diploma, associate degree or a bachelor’s degree. The second step is to sit and pass the NCLEX-RN exam with a mark of over 70%. This should be followed by obtaining a state license that varies from state to state. Fourth, a person should be employed and start practicing as a registered nurse. Lastly it is advisable that after obtaining the registration, a nurse should pursue additional training and education.
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Answer:
Production of bile= which Help carry away waste and break down fats in the small intestine during digestion.
production of certain proteins for blood plasma.
production of cholesterol and special protein to help carry fats through the body
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middle-distance running, in athletics (track and field), races that range in distance from 800 metres (roughly one-half mile) to 3,000 metres (almost 2 miles).
<span>Individuals suffering from clinical depression are more likely to suffer heart disease and heart attacks. One primary factor is that individuals who are depressed are less likely to engage in good self care strategies: they are more likely to drink and smoke, they are less likely to exercise, and they are less likely to take prescribed medications. Physically, the stress that is associated with depression may lead to plaque formation in the arteries.</span>
