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