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.
Increasing your activity level always confers some health benefits, and walking is an excellent aerobic workout for fitness beginners. Aerobic step, however, elevates the heart rate more quickly, providing a more intense workout that offers more benefits.