The first step is Chest compressions
severe pain and tenderness.
bruising and swelling.
difficulty moving the hand or arm.
the wrist or arm being an odd shape.
a snap or grinding noise at the time of injury.
bleeding (if the bone has damaged the skin) – sometimes the bone may poke through the skin.
tingling and numbness.
The answer to your question is,
excretory system
-Mabel <3
The recommended physical exercise for a child consists of physical activity for at least 60 minutes a day.