The players are the heart and the ball is like a blood. When the players i.e.heart hit the ball. The moving of ball from one player to another is the pumping of blood.
tennis ball
Take a tennis ball and squeeze it hard enough to make a good sized dent into it and that's only when your heart rate is low say like when you are sleeping.i dont understand
the kind that works...obviouslyy:))
a tennis ball
A tennis ball.
A tennis ball.
The tennis ball is on the line.
Its a fat foot ball tennis ball my balls bounce the highest
There is no biggest tennis ball. the normal tennis ball has 6.7 cm as diameter.
Tennis ball
tennis ball
You can build a tennis ball machine kit by purchasing a tennis ball machine kit. The tennis ball machine kit will come with detailed instructions.