Gross motor skills are the large movements of the arms, feet, legs and the entire body. It involves activities like jumping, crawling, balancing, climbing and running. These skills are developed by utilizing the large muscles of the body that are performed by controlled and coordinated way. The gross motor skills are developed through repetition and practice.
The smallest bronchioles end in tiny air sacs, called alveoli. They inflate when a person inhales and deflate when a person exhales. During gas exchange oxygen moves from the lungs to the bloodstream.
