Operation Ouch! - Series 7: 4. Don’t Pick Your Scabs! - Signed

Name: Operation Ouch! - Series 7: 4. Don’t Pick Your Scabs! - Signed
Description: Dr Xand goes underwater to show how your blood clots, and Dr Ronx finds out how echolocation – a navigation technique used by bats – is helping visually impaired patients.

Dr Xand goes underwater to show how your blood clots, and Dr Ronx finds out how echolocation – a navigation technique used by bats – is helping visually impaired patients.