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:
their feet and legs stop working to decreased blood supply to that spot.
Explanation:
a stroke occurs when the blood supply to your brain is cut off because of a blockage. due to this, it can cause weakness in any limbs of the body. having a stroke can also cause nervous system and muscular damage.
Hope these are right
1.Psoas Major
2.iliacus
Answer:
increased lung capacity -apex
Explanation: