Matching Pairs Living forms_2Online version Unit 1 by David Tordesillas 1 They carry oxygen around the body. 2 They carry information. 3 They are the bodyguards of the organism. 4 The smallest living unit in a living organism. 5 They are red because they carry haemoglobin. 6 They absorb water and minerals from the soil. 7 These cells absorb sunlight so the plants can perfom photosynthesis. Red blood cells White blood cells Cell Red blood cells Leaf cells Root hair cells Nerve cells