apnea
For an extended period of time in an enclosed space, yes.
The longest a person has gone without breathing voluntarily is about 22 minutes. This was achieved by Stig Severinsen, a Danish freediver. It is not recommended to try to hold your breath for extended periods of time as it can be extremely dangerous and potentially fatal.
No. Many snakes have a little tube in their mouth called the glottis which can be extended out to draw in air while the snake is consuming its prey.
extended time
Not necessarily, the ACT is a bit more strict when it comes to extended time compared to the SAT.
the study of how artifacts and objects decay over an extended period of time
They have their place if you are diving in a dry suit for an extended time. If you are diving in a wet suit they would not be needed for obvious reasons. Scuba diving can dehydrate you from breathing the dry air in the scuba cylinders, so hydration is a must.
It depends on how much singing practice you have had. In the beginning maybe 7 seconds but more experienced people and pro singers can hold it for 30 seconds to a minute or maybe longer.
Your breathing
A period of time with no breathing
If their was a foul in the penalty box during extended time then yh its allowed a penalty kick but only if it before the ended time, if it after then the game ends
it means that your breathing speeds up and you have trouble breathing for a short period of time (not fun)