In an endothermic reaction, the opposite happens. In this reaction, heat is absorbed. Or more exactly, heat is required to complete the reaction. Photosynthesis in plants is a chemical endothermic reaction. In this process, the chloroplasts in the leaves absorb the sunlight.
Martial arts. Martial arts are codified systems and traditions of combat practices, which are practiced for a number of reasons: as self-defense, military and law enforcement applications, mental and spiritual development; as well as entertainment and the preservation of a nation's intangible cultural heritage.
Martial arts are excellent for people of either sex and all ages. Women will learn an effective self-defense that can be used against an opponent who might be larger and stronger than themselves. It helps take off unwanted inches while toning the muscles through a fun and worthwhile learning experience. For children martial arts teaches self-defense while improving coordination.