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:
The cardiovascular system consists of the heart, blood vessels, and blood.
This system has three main functions: Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).
Cost about it to the next time you got home from the elementary and got
