Our bodies are home to many other species, and most are relatively harmless – even if they might sound disgusting to some.
- Honorary Professor, Federation University Australia
A large proportion of primary school aged kids get infected with pinworm at some time – and yes, it can make them pretty moody.
Pink blood, green blood, or no blood at all – when it comes to what’s inside a worm’s body, the answer is more complicated – and fascinating – than you’d think.
The short answer is that leeches need blood to grow and reproduce. But it’s in their interests to do it carefully, without causing too much pain, and in spots that are hard to find.
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