When people fall down they can break a bone.
A broken bone can be very painful.
If someone is cut, they will bleed.
A knife or sharp object can cut someone and cause bleeding.
Poisons are very dangerous and can cause death.
Some snakes or spiders are poisonous, so be careful.
A heart attack can happen very suddenly.
If someone has a heart attack, call for an ambulance right away.
If you catch on fire, fall to the ground and roll.
Getting too close to a fire can be very dangerous.