Matching Pairs Natural ScienceOnline version Vocabulary by Marta Castaño 1 the food goes to the stomach 2 It carries oxygen in the blood 3 The heart pumps blood 4 We breathe air through our nose 5 It gives us the oxygen we need to live 6 Our teeth chew the food in the mouth It's the circulatory system It's a digestive system It's the digestive system It's a respiratory system It's the respiratory system It's a circulatory system
