Children are most happy to linger in the pool. New kid out of the swimming pool after her lips blue, his face pale and cold due to long hours in the water. But you should not let children swim for too long. Why?
Swimming is excellent for physical and brain development of children. Swimming is one sport that well, because it involves a lot of muscles and organs. But if too long soak in cold water also can lead to various diseases.
Water used for swimming normally be cooler than the surrounding air. Immersing the body in cold water will lower a person's body temperature, so that when out of the swimming pool or hot air at a lower temperature, the body will try to menormalkannya.
If done in sufficient time or not too long about 1-2 hours, the reaction can make the child feel hungry after your swim.
But when children are left to linger to soak in water for more than 2 hours, can cause chills and trigger an increase in heart rate suddenly (tachycardia), as reported by the heart-problems.net, Monday (03/07/2011).
Swim or soak in water temperature lower than body temperature for a long time can make arteries contract and the expansion of small veins, which may cause the blood to stop the subcutaneous blood vessels.
Under these conditions, heart rate and blood flow will be disrupted and cause a deficit (lack) of oxygen that can cause serious matter.
In addition, the swim too long in that cold water can increase the load on the heart, which causes the heart beats faster all of a sudden, that in certain people can trigger heart disease.
Therefore, you should not let children or people with weak heart conditions linger to soak in cold water. If there are symptoms that felt uncomfortable, get out of the water to prevent freezing and the increase in heart rate suddenly.
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