Shoot people who sink into the water.

In fact, if analyzed according to the density, the density of our human bones is far less than that of water, so there will be no sinking without swimming in the water. But some people who can't swim get nervous once they get into the water. After all, everyone is afraid of drowning, which will cause people's muscles to contract together involuntarily, which will greatly increase their body density, while people who can't swim usually flap their hands and feet in the water. This will change the density and make people who can't swim sink.

Second, how can people who can't swim save themselves from drowning?

1. Stay awake. People who can't swim should never panic after drowning. They must keep a clear head, or they may die in the process of panic.

2. Take the right posture. After drowning, everyone must put his head back. Let your mouth touch the horizontal plane, so you have a chance to expose your mouth and nose to the water and have a way to breathe.

3. Master the correct breathing frequency. In fact, if the breathing frequency is correct, you can also reduce your body density and let yourself float on the water. Therefore, you must adjust your breathing when drowning, exhale as shallow as possible when exhaling, and take a deep breath when inhaling.

4. Don't struggle. When we can ensure that we can breathe and float on the water, we should stop struggling. The more we struggle, the more our bodies will sink. Can't swim, sink to a certain extent, and really can't float.

Finally, remind everyone that people who can't swim must stay away from the river. Can swim, don't go swimming in summer. In case of an accident and no one around, they will really die.