Relier Pairs Key Organs recap Version en ligne Match the key organs to their main functions in the body par Martha Friggieri 1 2 3 4 5 6 7 8 This organ is moved by muscles, allowing us to see the world around us. Apart from its main function, it helps us to keep balance. A muscle which contracts regularly to pump oxygenated blood around the body. It filters the air before reaching our lungs. Supply our body with the oxygen required. This is where a foetus grows prior to birth. Store and release ova as well as releasing the hormones oestrogen and progesterone. Release sperm and the hormone testosterone.