This bundle of 11 lessons covers the majority of the content in Topic B3 (Organism level systems) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include:

The nervous system
Hormones and the endocrine system
Adrenaline
Negative feedback loops
Thyroid gland and thyroxine
The menstrual cycle
Contraception
Using hormones to treat infertility
Homeostasis
Controlling blood glucose
Diabetes

All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

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