Stimuli

Brain

Nervous Control

Nerve Organisation • Central Nervous System (CNS): Made up of the brain and spinal cord • Peripheral Nervous System (PNS) ...
Read More

Nerve Communication

Nerve Communication Stimulus A stimulus is a detectable change in the internal or external environment of an organism that produces ...
Read More

Control of Heart Rate

Autonomic • Sympathetic Nervous System: o Stimulates effectors and so speeds up any activity o Used under stressful conditions by ...
Read More