How long can I last under water?
Without the supply of oxygen, the body shuts down. The average person can hold their breath for around 30 seconds. For children, the length is even shorter. A person who’s in excellent health and has training for underwater emergencies can still usually hold their breath for only 2 minutes.
Is snorkeling hard to do?
But the truth is that while snorkeling is a very enjoyable and easy sport, without some basic skills, good equipment, and knowledge about the dangers and conditions of the ocean, a first time snorkeling experience can be a bit miserable, scary and potentially dangerous.
Why do free divers use snorkels?
The main reason freedivers use snorkels is so they can breathe steadily and comfortably from the safety of the surface, while viewing underwater conditions. … In other cases, some freedivers use snorkels to allow for a smoother breathe-up during wavey or rough water conditions.
How far underwater can you breathe through a hose?
You can only go a few feet under water before you’ll no longer be able to draw air into your lungs through that hose. It’s a pressure problem. The water pressure outside your chest increases rapidly as you go deeper, but the air pressure inside the hose and your mouth barely changes at all.