Edxcel igcse human biology

1.

Save My Exams - https://www.savemyexams.com/
1) Has Edexcel IGCSE Biology notes, questions, and exam tips

2.

PMT (Physics & Maths Tutor) - https://www.physicsandmathstutor.com/
2) Free notes, past papers, and mark schemes for IGCSE

3.

BBC Bitesize - https://www.bbc.co.uk/bitesize
3) Good for understanding basic concepts (search for GCSE Biology topics)

4.

YouTube Channels to search for:
4') Search "Edexcel IGCSE Biology" or "IGCSE Human Biology"
5') Look for channels like Science with Hazel, Cognito, or FreeScienceLessons

5.

Edexcel Official - https://qualifications.pearson.com/
6) You can find the official specification (what you need to know) and sometimes sample papers.