Health experts say adults should drink about two liters of water a day to replace all the water lost in liquid wastes and perspiration.

VOA: special.2010.07.27

A person suffering from heat exhaustion loses too much water through perspiration.

VOA: special.2010.07.27

The person loses large amounts of body water and salt in perspiration.

VOA: special.2010.07.27

Perspiration is one of the body's defenses against heat.

VOA: special.2010.07.27

The body's temperature increases and perspiration fails.

VOA: special.2010.07.27

There,the heat is lost through perspiration.

VOA: special.2010.07.27