Acondition in which breathing stops completely.

Prolonged apnea refers to a patient who has stopped breathing for a long period of time. If the heart muscle contraction is intact, the condition is known as respiratory arrest

Apnea

It usually happens when you are sleeping and you stop breathing, it happens to people of all ages.

Often called sleep apnea.

i hope that helps! =)

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.