[The heart and blood circulation in athletes].
D056352:Athletes; D002320:Cardiovascular Physiological Phenomena; D002319:Cardiovascular System / Q000502:physiology*; D006321:Heart; D006801:Humans; D005082:Physical Exertion / Q000502:physiology*; D013177:Sports
CARDIOVASCULAR SYSTEM/physiology; EXERTION/physiology; SPORTS