Author: Adam Kay; Welsh Adaptation: Eiry Miles.

Do you ever think about your body and how it works? The human body is extraordinary and fascinating and, well... pretty weird. Yours is weird, mine is weird, your maths teacher's is even weirder. This book is going to tell you what's actually gong on in there, and answer the really important questions like: Are bogeys safe to eat? How much time do you spend on the toilet?

Awdur: Helen Mortimer; Addasiad Cymraeg: Eiry Miles.

Canllaw cyflawn (a hollol ffiaidd) i'r corff dynol... Mae'r corff dynol yn eithriadol, yn ofnadwy o ddiddorol ac... wel, yn eitha rhyfedd. Mae dy gorff di'n rhyfedd. Mae fy nghorff i'n rhyfedd. Mae corff dy athro mathemateg yn rhyfeddach fyth. Dyma rai o'r cwestiynau fydd yn cael eu hateb: Ydy baw trwyn yn saff i'w fwyta? Faint o dy fywyd fyddi di'n ei dreulio ar y tŷ bach?