The only question you should ask a personal trainer is whether or not they are certified.
a. true
b. false

False. While certification(s) is very important to check, it’s not the only question you should ask. Other areas you should question are whether they have experience helping other clients to work towards the goal you are working towards, whether you can talk to any former or current clients to get a first-hand opinion and what their training style or ‘personality’ is like. This will give you a more well-rounded picture of the trainer.

To this question it will be choice one

The lungs are the bags that hold air as it is inhaled oxygen gas that is in the air moved into the blood-and the heart pumps to move this oxygenated blood to cells in the body that need energy