Low my opion thanks ( I could be wrong )
A certificate or diploma is the best way to identify a qualified healthcare professional.
Promising a cure before examination is incredibly impossible, not to mention unprofessional
Avoiding the topic of qualifications is sketchy. It often means that they're insecure about them, or is trying to hide something.
Offering a secret cure is just straight up dodgy. That's the trademark sign of a "snake oil salesman." Meaning, the "secret cure" is either a placebo, incredibly experimental, or incredibly dangerous.
Answer:
Skeletal muscle
Explanation:
Skeletal muscles are attached to the skeleton and cause bones to move when they contract.