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.
The other team kicks off to start the game. In soccer, the team that kicks off is said to be taking the kickoff. At the start of the second half, the teams switch goals, and the team that won the coin toss takes the kickoff.Note that, unlike in American football, there really is no receiving team on the kickoff.t a signal from the referee, a player kicks off. The ball is in play as soon as the player's foot touches it. The ball must go forward on the kickoff, but it doesn't have to go any particular distance before another player on the kicking team can touch it.