Relier Pairs Living forms_2Version en ligne Unit 1 par David Tordesillas 1 The smallest living unit in a living organism. 2 They carry oxygen around the body. 3 They are red because they carry haemoglobin. 4 They absorb water and minerals from the soil. 5 They are the bodyguards of the organism. 6 They carry information. 7 These cells absorb sunlight so the plants can perfom photosynthesis. Nerve cells White blood cells Cell Red blood cells Leaf cells Red blood cells Root hair cells