4c 3 Match to form phrases. Then use three of them to complete the sentences. 1 concentration 2 spotty 3 heart 4 physical 5 brain A disease B levels C health D cells E face 1 It's usual for some teens to have a 1 but their skin improves as they grow older. 2 Experts say that exercise helps prevent 3 Our ..suffers when we don't exercise and have a bad diet. NIEW 4