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A camera pill shows Dr Chris's digestive system at work squidging food, and the doctors show how to make your own fake stomach!
With the kitchen lab upside down, the doctors reveal the incredible job of the optic nerve and show how to make your own eye-popping game.
The doctors look at scabs and explain why they shouldn't scratched - unless it's a Do Try edible scab!
The doctors make the most of Mr Grumbles' weekly shower to demonstrate how your hair has a secret skill that enables it to measure moisture in the air.
There is chaos in the kitchen lab as Baby LiLou joins the doctors to reveal why you need kneecaps. Find out how your knees work with a simple Do Try experiment!
The doctors take a close look at teeth and show you what happens to them when you eat and drink.
The doctors put eye boogers under the microscope and show you how to make edible eye gunk!
Did you know your body contains invisible ink! Find out how, and make your own in today's Do Try experiment.
Your body's largest organ is your skin – find out how it works and how to make your own homunculus!
The doctors investigate how your body digests fat and show you how to make bile art!
