Pulmonary circulation vessels are vessels that carry blood from the heart to tissues throughout the body and return from the body to the heart. true or false

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