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.
Activities like tae kwon do, kung fu and aikido are a fun way for both boys and girls to achieve fitness and focus. Some parents may think they also promote violence, but that's a myth, according to experts. The martial arts actually help teach self-discipline and socialization skills.