The crossword solution for the term 'Look Up and Down' (4) is 'PEEP'. PEEP stands for Positive Expiratory Pressure, which is a type of breathing exercise used to help clear mucus from the lungs. It involves taking a deep breath and then exhaling with force against a closed mouthpiece or valve. This technique can be used to help people with respiratory conditions such as asthma, bronchitis, and COPD.