When you can’t breathe in fast enough to get all the oxygen your muscles need it called

Which set of symptoms describes the short term effects of marijuana

Why is it important to know first aid/ cpr/ aed?

Asubstitute is standing at the halfway line waiting to enter the match at the next stoppage of play the ball has gone over the touchline for throwing and referee allows for the substitution to substitute wants to take the throw-in does the substitute first have to enter the field of play before being allowed to take the throw-in