Matching Pairs the three vital functionsOnline version tienes que relacionar la definición con sus nombres es muy fácil by José Antonio Fernández Martín 1 the circulatory system 2 the digestive system 3 the excretory system 4 the respiratory system absorb oxygen from the air and releases carbon dioxide eliminates the waste that our body can produce transport blood all over the body breaks down the food we eat into smaller that our body can absorb