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.
Answer:
The teen will most likley loose wait but does not mean its heathy bc you need calories
Explanation:
Do you have choices or no?
Ironic...
anyways, if you don't put in the effort here, you won't know the information as well when you actually need it. you need to challenge yourself while your still in class so that while you're in the field, you'll always know exactly what to do.
