The systemsOnline version Guess the different questions about the four systems. by Lucas Pastor REVELLO 2019 A B C D E F G H I K L M N O P R S T U V W X Y Starts with A They are inside the circulatory system and they transport blood from the heart to all parts of the body. Starts with B They can contein gases, nutrients or waste products. Starts with C Starts with D Starts with E It´s the last process of the digestive system. Starts with F They are waste products that are expelled by the anus Starts with G It ocurres in the alveoli and in the capillaries Starts with H Is the main organ of the circulatory system. It beats. Contains I It´s the upper part of the heart Starts with K Starts with L It´s protected by the ribs Starts with M It contains teeths, tongue... Starts with N Inside this organ there are mucus Starts with O It´s a long tube that connects pharynx to the stomach. Starts with P It´s a tube that is inside of two systems Starts with R It´s a system that consist in the respiration. Starts with S It´s a waste product that it´s expulses by pores. Starts with T Starts with U It connects bladder with the exterior. Starts with V It´s connected with the lowest part of the heart. Starts with W It defend us from bacterias and viruses. Contains X It´s a system that expulses liquid waste. Contains Y It´s a gas that stay in the air.