A gland releases a chemical messenger into the blood. The messenger reaches a target organ and produces a change that lasts for several hours.
Explain why the description is an example of endocrine communication.
88 exam-style questions on Oxford AQA IGCSE Psychology 1.3 Biopsychology, covering 1.3.1 Divisions of the nervous system, 1.3.2 The endocrine system, 1.3.3 Autonomic nervous system and fight or flight, 1.3.4 James-Lange theory of emotion, 1.3.5 Structure and function of neurons, 1.3.6 Synaptic transmission, 1.3.7 Hebb's theory of learning, 1.3.8 Brain structure, 1.3.9 Localisation of function in the brain, 1.3.10 Penfield's study of the interpretive cortex, 1.3.11 Cognitive neuroscience, 1.3.12 Brain scanning techniques, 1.3.13 Tulving's 'gold' memory study, and 1.3.14 Effects of neurological damage. Each one has a worked solution and a mark scheme showing where the marks go.