Don't worry about it. The person doing the CAT scan and the x-rays will say "Hold still and hold your breath." These machines are sort of like a camera. If you are taking a picture of someone and they move then you are going to get a blurred image. It's important you listen to them because if not they'll have to do it all over again. It's painless and all you have to do is follow their directions.
athletes don't hold their breath during the 100m they hold their breath during the 50m race so they don't have to waste time breathing.
either bite ur tounge, or the inside of your cheek. Hold your breath until u hav to breath then breath and hold your breath, when talking frown or take deep breaths :-)
The maximum amount of time a harbor porpoise can hold its breath for is unknown. There have been observations of these marine mammals holding their breath for over 5 minutes during dives.
Yes, sheep can hold their breath.
No but he can hold his breath for hours
No lions don't hold their breath.
moose cant hold their breath. just kidding they can hold their breath for 8 minuets
they can hold there breath for 35 sec
they can hold their breath for one hour.
How long can a flea hold its breath?
It's harder to hold your breath because there's no AIR & OXYGEN and 'cause in water if you hold your breath too long you die, but if you hold your breath in the air and if you think you are holding your breath too long you can just breath instead of trying to breath in the water. ~Its a phsycology thing.
Flounder have gills, there is no need for them to hold their "breath."
Beaver can hold their breath for 45 mintues.
They can hold there breath over 15 minutes
You breath in and don't breath out. Simple as that.
Beavers can hold their breath underwater for up to 15 minutes.Beavers can hold their breath up to fifteen minutes.
yes they do hold their breaths .dolphins can hold their breath for half an hour
A normal human could hold his breath for 5 minutes one time a human hold his breath for 7 minutes.
they can hold there breath for 1-2 hours underwater and out of water they can hold there breath for 1 hour.ThankYou for asking.
You can hold your breath. You are human. Humans are mammals. Bears are also mammals, which means they have lungs, and they can therefore hold their breath.
a dog can hold its breath up to 3 minutes
Birds hold their breath when they are drinking or diving to catch fish.
A seal can hold their breath for 70 minutes or more.
they can hold their breath 20 minutes under water
No, as long as you stay calm then you don't have to hold your breath.