Swimming: Swimming is an individual or team racing sport that requires the use of one's entire body to move through water. The sport takes place in pools or open water.
Competitive swimming is one of the most popular Olympic sports, with varied distance events in butterfly, backstroke, breaststroke, freestyle, and individual medley.
In addition to these individual events, four swimmers can take part in either a freestyle or medley relay. A medley relay consists of four swimmers who will each swim a different stroke, ordered as backstroke, breaststroke, butterfly and freestyle.
Swimming each stroke requires a set of specific techniques; in competition, there are distinct regulations concerning the acceptable form for each individual stroke.
Diving: Diving is the sport of jumping or falling into water from a platform or springboard, usually while performing acrobatics.
Most diving competitions consist of three disciplines: 1 m and 3 m springboards, and the platform.
Water polo: has two post at each end of the pool with a total of thirteen players on each team and only six player and one goal keeper can be in the water at a time from each team.
The men's event are divided into two pools of six for a round-robin preliminary heat, this is for the qualifying teams, the top four from each pool advance to the quarter-finals and the quarter final winners advance to the medal rounds.
The women team play a round-robin preliminary heat, with four teams advancing to the semi finals, and the two teams that fail to qualify, play for the fifth and sixth place.