Systems involved in nutritionOnline version Choose or write the correct answer of each question. Remember that if it is an answer that you have to answer by writing, write the complete sentence. by LUCÍA Pacheco Pacheco / C.E.I.P. Felix Revello de Toro - Málaga. 1 Which system carry blood all over the body? This system is the ........... system. Written answer 2 Which system eliminates the waste products? This system is the ............. system. Written answer 3 Which system do the lungs belong to? They belong to the ............. system. Written answer 4 Which system do the urethra belong to? It belong to the .............. system. Written answer 5 Which system absorbs oxygen into the body? a This system is the circulatory system. b This system is the digestive system. c This system is the respiratory system. d This system is the excretory system. 6 Which system breaks down the food we eat into smaller molecules that our body can absorb? a This system is the circulatory system. b This system is the digestive system. c This system is the 7 Which system do the intestines belong to? They belong to ... a The excretory system b The respiratory system c The digestive system d The circulatory system 8 Which system do the heart belong to? It belong to ... a The excretory system b The respiratory system c The digestive system d The circulatory system