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Roles of Thyroxine and Adrenaline — OCR GCSE Combined Science A J250

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Combined Science
OCR GCSE Combined Science A
Organism Level Systems
Endocrine System Coordination and Control
Roles of Thyroxine and Adrenaline

OCR GCSE Combined Science A · J250

Roles of Thyroxine and Adrenaline

What you need to know

Explain the physiological roles and effects of thyroxine and adrenaline in the human body.
Understand and describe the regulation of thyroxine levels as an illustrative example of a negative feedback system.

Revision notes

1
Roles of Thyroxine and Adrenaline
5 key terms

Practise with past papers Key terms & definitions

Previous subtopicPrinciples of Hormonal Coordination Next subtopicHormonal Control of Human Reproduction