delinquent noun [C]. âº a âperson, usually âyoung, who âbehaves in a way that is âillegal or not âacceptable to most âpeople: âjuvenile delinquents.
Sahelanthropus may have walked on two legs. The oldest evidence for walking on two legs comes from one of the earliest humans known, Sahelanthropus. Walking upright may have helped this species survive in the diverse habitats near where it livedâincluding forests and grasslands.
Regualr walking, like most aerobic activities, is good for you because cardio-vascular exercise strengthens the heart and lungs, increasing overall fitness. Together with diet and other exercise plans, it can also help with weight loss and tone up muscles. Dr Craig Williams a sports science lecturer at the University of Exeter is a firm believer in the benefits of walking, and says: 'It can improve muscle endurance as well as muscle strength, especially in the lower body.