Í think that 6-7 people can compete in swimming.
Yes they are allowed. However, not many participate.
five
12,000,000,000,000,000,000,000 people
25 athletes compete against each other in Olumpic swimming
25
Yes, men compete in synchronized swimming to this day, but not many.
There are a few events that take place in the swimming pool at the Olympics * Swimming * Diving * Synchronised Swimming * Water Polo
New Zealand is sending 182 athletes that will compete in 17 sports at the 2008 Games. Those sports are Athletics, Badminton, Basketball, Canoeing, Cycling, Equestrian, Football, Field Hockey, Rowing, Sailing, Shooting, Swimming, Synchronised Swimming, Taekwondo, Tennis, Triathlon, and Weightlifting.
Heats are races. They allow many to compete, with winners moving on to the medal round.
Jordan is expected to send seven athletes to the 2008 Games that will compete in athletics, equestrian, swimming, table tennis, and taekwondo.
Seychelles sent 9 athletes to compete at the 2008 Summer Games in Beijing in athletics, canoeing, swimming, weightlifting, badminton, and sailing.
Cook Island has 8 athletes qualified for the 2012 Games in London. Zachary Payne and Celeste Brown will compete in swimming, Luisa Peters will compete in weightlifting, Patrick Tuara and Patricia Taea will compete in athletics, Helema Williams will compete in sailing, and Joshua Utanga and Ella Nicholas will compete in canoeing. Helema Williams has been chosen to carry the national flag at the Opening Ceremonies.