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Combined Science
OCR GCSE Combined Science A
Organism Level Systems
OCR GCSE Combined Science A · J250 · Topic B3
Organism Level Systems
Paper 1
· 13 notes
Understand the role of the human nervous system in internal communication and processing information from the external environment.
B3.1
Nervous System Coordination and Control
B3.1a
Structure of the Nervous System
B3.1b
Coordinated Responses of the Nervous System
B3.1c
Structure and Function of a Reflex Arc
B3.2
Endocrine System Coordination and Control
B3.2a
Principles of Hormonal Coordination
B3.2b
Roles of Thyroxine and Adrenaline
B3.2c
Hormonal Control of Human Reproduction
B3.2d
Hormonal Interactions in the Menstrual Cycle
B3.2e
Contraception Methods Evaluation
B3.2f
Hormones in Reproductive Technologies
B3.3
Maintaining Internal Environments
B3.3a
Importance of Homeostasis
B3.3b
Insulin and Blood Sugar Control
B3.3c
Glucagon and Insulin Interaction
B3.3d
Type 1 and Type 2 Diabetes
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