Which of these statements is false regarding myasthenia gravis?

How many facial bones does the skull possess?

Which of these statements is false regarding myofibrils?

With what are the ribs connected to the vertebral column?

Which of these is not a component of the thin filament?

What is the number of bones in each limb?

How many true ribs are present in the human body?

Which of these statements is not true regarding skeletal muscles?