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