churning
verb--moving quickly and forcefully in a circular motion
integrated
adjective--open to people of all races
potential
noun--ability that may be developed and lead to future success
qualifying heats
noun--a race where the winners may go on to compete in a final race
racist
adjective--under the false belief that people of some races are better than others
specialist
noun--a doctor who has a lot of training, knowledge, and skill in one area
sprinters
noun--athletes who quickly run short distances in races
spinal cord
noun--the large group of nerves that run through the spine and carry messages to and from the brain and the rest of the body
trials
noun--sports contest that tests an athlete's ability to see if the athlete should join a team or compete in an event
vaccine
noun--mixture that is given to a person or an animal to protect them from getting a particular disease