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Do You Know?
Series 1 Episode 8: Blood Pressure Monitor and CastMaddie uses a special light to see the blood vessels under her skin, and finds out how a blood pressure monitor works to check that blood is flowing freely around our bodies. Maddie then visits the plaster room and shows how a cast is made by having one put on her arm. She uses a special microscope camera to reveal how the fiberglass strands are woven together to make the cast strong.
- Category
- Adventure / Children / Educational / Entertainment
- Original air date
- 2016-09-14
Cast and crew