Ordonner les Lettres Recovery Activity 5thVersion en ligne Read the description and order the letters par Gabriela Bravo 1 The trachea is divided into two B O R N C I H 2 The air enters the body through the nose and the... H O U T M 3 They are the organs responsible for breathing L S U G N 4 The muscle below the lungs is the P R I D M G A A H 5 They are tiny air sacs at the end of the bronchioles A L I O E V L 6 They carry blood from the heart to the body S T R I E E A R 7 They carry blood from the body back to the heart S N I V E 8 The heart is divided in four R S C M H A B E 9 The upper chambers of the heart are the M R S T I U A 10 They are the lower chambers of the heart C I E V S T E L N R