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chapter: Section 6: Organisms and changing enviroment

List of Levels

Level
14.1 Survival and response
14.2 Plant growth factors
14.3 A reflex arc
14.4 Receptors
14.5 Control of heart rate
15.1 Neurones and nervous coordination
15.2 The nerve impulse
15.3 Passage of an action potential
15.4 Speed of the nerve impulse
15.5 Structure and function of synapses
15.6 Transmission across a synapse
15.7 Structure of skeletal muscle
15.8 Contraction of skeletal muscle
16.1 Principles of homoeostasis
16.2 Feedback mechanisms
16.3 Hormones and the regulation of blood glucose concentration
16.4 Diabetes and its control
16.5 Control of blood water potential - structure of the nephron
16.6 Role of the nephron in osmoregulation
16.7 The role of hormones in osmoregulation