Myofibrils slide together.
the other options don't make sense, and the myofibrils sliding together is the mechanism the muscle uses to generate force.
Well the reason we do it is because they wanna see if you can run normally for explain: if your a over weight kid and you can’t run a mile they get so worried that they might send you to the hospital right away. They also do this so if your a lazy kid and never get out of bed and you say your body hurts then will know you just lie In bed and do anything
B) school psychiatrist
psychiatrist evaluates mental issues,diagnoses and gives prescriptions for drugs. yay drugs.
Keep flammable objects away from children ( although I am unsure because it should be forbid smoking in bed and keep flammable objects away from children)
