Scuba is a sport that is played underwater on oceans, seas, lakes, rivers, and even in aquarium tanks. There are many different types of scuba diving, and there are many different types of equipment used for the sport. Scuba diving can be very relaxing, and it is a great way to relax while being outdoors.

The word scuba is an acronym for Self-Contained Underwater Breathing Apparatus. It is also a noun, meaning “a person who dives with such equipment.” There are many different types of scuba divers, from commercial to scientific. Scientists and photographers often use scuba for their work, while commercial divers often aid with projects like bridge construction or ocean oil drilling.

In order to receive a scuba certification you must go through a series of classes. This will include lessons on the basic equipment you need to have and how to properly use it. You will then do some training in a pool and then go on a couple of group dives with your instructor to practice skills that you learned. In most cases a beginner’s class will take three to four days to complete.

One of the most important aspects of scuba is having a buddy with you at all times. This is to ensure that you never become lost or run out of oxygen. It is also a safety precaution in case something goes wrong with your equipment or you have any sort of medical issue while diving. Most scuba courses will teach you how to perform a slow ascent and a safety stop, which helps prevent nitrogen bubble buildup in your blood stream, which is known as the bends.