Human Endocrine System — AQA GCSE Combined Science: Synergy 8465
AQA GCSE Combined Science: Synergy · 8465
Human Endocrine System
What you need to know
Describe the core principles of hormonal control and coordination by the human endocrine system.
Differentiate endocrine responses from nervous responses, noting that hormones are large chemical molecules transported in the blood that act more slowly but have longer-lasting effects.
Understand the role of the pituitary gland as a 'master gland' that secretes various hormones to stimulate other endocrine glands.
Explain the specific physiological roles of adrenaline in boosting oxygen and glucose delivery to prepare the body for 'flight or fight'.
Describe the role of thyroxine in stimulating the basal metabolic rate and supporting proper growth and development.
Explain the concept of negative feedback systems, using the control of thyroxine levels to demonstrate how the body reverses changes to stabilize its internal environment.
