O'Reilly logo

Good health by Kate Cook, Infinite Ideas

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

1. What goes in must come out

Alimentary, my dear Watson. A quick tour of how your digestion works is a useful foundation to health, and a great ice-breaker at parties.

We all know that what goes in at the top comes out in a different form at the bottom. But what happens in between? And why is it so important that all the different components of the digestive system are working properly?

It all starts when you first smell that delicious roast chicken your mum is cooking for dinner. As the aroma wafts up the stairs and into your room and your nostrils, powerful chemical messages are set in motion to get us ready to digest and assimilate food. Chewing food is particularly important in getting enzymes, which break down food, ready for work as the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required