The process of filtration of the blood in the Bowman's capsule is ultrafiltration (or glomerular filtration), and the normal rate of filtration is 125 ml/min, equivalent to ten times the blood volume daily. Measuring the glomerular filtration rate (GFR) is a diagnostic test of kidney function.
penalty kick. n. 1. (Soccer) soccer a free kick at the goal from a point (penalty spot) within the penalty area and 12 yards (about 11 m) from the goal, with only the goalkeeper allowed to defend it: awarded to the attacking team after a foul within the penalty area by a member of the defending team.
Before the start of a soccer game, the referee tosses a coin. The winners choose ends for the first half and the losers kick off. The team that did not kick off will do so at the beginning of the second half.The kick-off is taken from the center spot and the ball must move into the opposition's half. After a goal, the kickoff is given to the team that has been scored against.elow is the procedure: 1  the ball must be placed stationary on the center spot. 2  all players must be on their respective halves before the ball is kicked. 3  players from both sides who are not kicking off should be outside the center circle (10 yards away from the ball) until the ball is played.