why do leeches suck our blood?
- Written by Mark Sandeman, Honorary Professor, Federation University Australia
![why do leeches suck our blood?](https://images.theconversation.com/files/275582/original/file-20190521-23832-boh2uq.jpg?ixlib=rb-1.1.0&rect=0%2C0%2C1182%2C781&q=45&auto=format&w=496&fit=clip)
Curious Kids is a series for children. If you have a question you’d like an expert to answer, send it to curiouskids@theconversation.edu.au You might also like the podcast Imagine This, a co-production between ABC KIDS...