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 is where a foetus grows prior to birth. Supply our body with the oxygen required. It filters the air before reaching our lungs. A muscle which contracts regularly to pump oxygenated blood around the body. Release sperm and the hormone testosterone. Store and release ova as well as releasing the hormones oestrogen and progesterone. 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.