Is it better when swimming underwater to breathe as long as you can or holding it from the start?

We usually go to Egypt once a year, to enjoy the weather, and the coral - and we do a lot of snorkelling. In order to stay under for as long as possible you need a lot of breath - especially deeper reefs.

How can fish hold their breath for so long underwater?

Fish need not to hold their breath underwater as they take dissolved oxygen from water through gills for respiration. Gills are the respiratory organs to fetch oxygen from water. Water enters through mouth and after passing over the gills comes out of the gill pouch, covered with operculum. The gaseous

How do fish sleep underwater?

Fish do not have eyelids so they sleep with their eyes open. They often retreat to shelter, such as a plant thicket or near a piece of sunken wood. Many fish also will change color, the colors possibly becoming muted or darker. In the aquarium some just settle near the bottom of the

Is it better when swimming underwater to breathe as long as you can or holding it from the start?

We usually go to Egypt once a year, to enjoy the weather, and the coral - and we do a lot of snorkelling. In order to stay under for as long as possible you need a lot of breath -

Is it easier to hold your breath above or underwater?

Well, above water, the only pressure that's on your body is that of the air pressure around you. Underwater, the deeper you go, the more pressure is placed on your body. For that reason, it's harder to hold your breath underwater. Even a small amount of difference

What's the longest anyone has hold their breath underwater? How can someone extend the time underwater?

The world record on static apnea - specialty in which you hold your breath with face immersed in the water (to activate the mammal reflex) but not completely submerged is past 10 minutes.If you allow to prepare by breathing pure oxygen the time goes up to slightly more than 24 minutes.Static apnea - WikipediaHowever you have

Why can't I swim underwater?

Swimming underwater is different from walking or laying on the bottom. The former requires motion and some way to control the direction of that motion. The latter is the result of being heavier than water. Let me look at the second point first.I am overweight but still able to sit or lie down on the

How dangerous is a Navy Seal underwater?

The underwater world is our playground. No other military unit is trained as well to use the water for combat operations. How dangerous? In the past we have delivered nuclear weapons to targets on the high seas. We have brought our silent SDV submarines under