Platelets platelets are essential for the immune response are cellular components of blood are the smallest formed elements of blood transport o2 and co2

All the statements made about platelets above are TRUE except the one that says that PLATELETS TRANSPORT OXYGEN AND CARBON DIOXIDE.
Platelets do not transport oxygen and carbon dioxide, it is the red blood cells that do that.
The blood platelets are the smallest cells of the blood and they participate in bleeding control.

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.