1
A structure in the inner ear formed of a spiral-shaped tube. It is filled with a fluid and contains auditory hair cells.
2
Photoreceptor cells in the inner part of the retina. They sre responsible for detailed, central vision and colour perception
3
The membrane in the middle ear, which vibrates when it receives sounds and transmits the vibration to the inner ear through the chain of ossicles.
4
Organs that receive responses from coordination systems and carry them out. Muscles and glands are effectors.
5
Regulatory mechanism where output information from a circuit or system returns as input information.
6
Total or partial breakage of a bone
7
A type of drug that alters nerve transmission, causing visual or auditory hallucinations.
8
A chemical substance secreted by some glands, the function of which is to control the activity of a specific type of organ or cells.
9
Very strong tissue that connects bones and joints
10
The part of the brainstem that controls breathing and heart rate.
11
Membranes that protect the brain
12
A bundle of nerve fibres
13
Bundles of neurons.
14
Information in the form of an electrochemical signal that neurons can transmit.
15
A cell that forms nervous tissue.
16
The ingestion of an excessive amount of a drug or medicine which the body is unable to process, and which can be lethal.
17
Cells that are specialised to detect stimuli and send that information to the coordination centres.
18
Simple responses that occur automatically and are controlled by the spinal cord.
19
Photoreceptor cells in the outer part of the retina. They perceive light and darkness and detect movement.
20
A twisting or stretching of a ligament that causes inflammation.
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