Body Coordination Key Terms

The chemical processes that maintain life and allow organisms to grow and reproduce, maintain their structures and respond to their environments

• DIFFUSION

• METABOLISM

• RECEPTOR

• HOMEOSTASIS

A chemical that speeds up the rate of a reaction without being used up in the process

• DIFFUSION

• NEURONS

• ENZYME

• EFFECTORS

The movement of particles of a substance from an area of high concentration of that substance to an area of low concentration of that substance

• DIFFUSION

• NEURONS

• NERVE IMPULSES

• RECEPTOR

The brain and spinal cord

• NERVE IMPULSES

• NEURONS

• PERIPHERAL NERVOUS SYSTEM

• CENTRAL NERVOUS SYSTEM

The nerves that carry messages to and from the central nervous system and other parts of the body

• NERVE IMPULSES

• NEURONS

• PERIPHERAL NERVOUS SYSTEM

• CENTRAL NERVOUS SYSTEM

A nerve cell

• NERVE IMPULSES

• NEURONS

• EFFECTORS

• RECEPTOR

Electrical messages carried by a nerve cell

• NERVE IMPULSES

• NEURONS

• EFFECTORS

• RECEPTOR

Muscles or glands that put messages into effect

• NERVE IMPULSES

• NEURONS

• EFFECTORS

• RECEPTOR

A specialised cell that detects stimuli (changes)

• NERVE IMPULSES

• NEURONS

• EFFECTORS

• RECEPTOR

Something that you can detect using sense organs

• EFFECTORS

• HORMONES

• RECEPTOR

• STIMULUS