The body as a chemical factory

Input: air (oxygen), food

Output: children (sperm and eggs)

Waste products: carbon dioxide, urine and faeces

Factory gate: mouth, leading to trachea and aesophagus

Control centre: brain

Transport: circulatory system

Gas exchanger: lungs (in oxygen, out carbon dioxide)

Digester: guts

Raw material collection system: muscles to enable collection of food

This entry was posted in Uncategorized. Bookmark the permalink.