1 Neutrophils: are the most abundant type of white blood cells and are an important part of the innate immune system. 2  Neutrophils are a type of phagocyte (cells which engulf and then digest, cellular debris and pathogens).
BBC Sport tennis. The rules of scoring. The maximum number of sets in a match is five for men and three for women. Usually the first player to win six games wins a set but if the score becomes five-games-all, one player must be two games ahead to win the set. So a player must win the set 7-5 or 8-6 or 9-7 and so on.
Tennis is one of the most popular racquet sport in all ages and gender around the world. There are two game format in tennis including single and double games. Firstly, a single game is a game where a player playing one on one game against their opponent. Secondly, a double game is a game play by a team of two players against their opponent. Every player equipped with a racquet that strung with cord to hit the tennis ball into the opposition court and around or over the net.