Our sense organs 45

Contents
Foreword ......................................................................................................8
Additional foreword to the English edition .................................................................9
Part 1
Man – an ingenious construction
Our sense organs – brilliantly designed tools for perception ............................................11
The eye – our window to the outside .....................................................................12
The ear – our highest-precision sense organ .............................................................21
The sense of smell – beyond words ......................................................................30
The sense of taste – not just for connoisseurs ...........................................................35
The sense of touch – it’s all over the skin ................................................................39
Our sense organs – in this world and the next ...........................................................45
The heart – more than a high-tech pump ................................................................49
The blood – a universal transport medium ...............................................................57
The kidneys – marvels of filtration ........................................................................67
The cells – our body’s 100 million million building blocks ...............................................72
DNA – information storage technology way beyond computers ........................................75
The brain – the most complex structure in the universe .................................................81
Body, soul, and spirit – man is more than just matter ..................................................91
6