The doctor answered the phone and heard the familiar voice of a colleague on the other end of the line. "We need a fourth for poker," said the friend.
"I'll be right over," whispered the doctor. As he was putting on his coat, his wife asked, "Is it serious?"
"Oh yes, quite serious," said the doctor gravely. "In fact, there are three doctors there already!"
"Football isn't a contact sport, it's a collision sport. Dancing is a contact sport."
Duffy Daugherty
The average marathon runner's heart beats about 175 times per minute during a race. A typical adult's heart beats 68 times a minute at rest.