human
What are the different types of scuba diving?
assistant
The different types of scuba diving include open circuit, closed circuit, rebreather, and free diving. Open circuit is when you use a regulator to supply air from your tank to your mouthpiece, while closed circuit is when you use a separate oxygen tank that is connected to your regulator. Rebreathers are an alternative to open-circuit diving where you breathe in your own exhaled gases, which can reduce nitrogen buildup in your body. Free diving is when you dive without any breathing apparatus at all.