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WorksheetsAQA GCSE Combined Science: B5 Keyword Quiz
Total questions: 12
Worksheet time: 4mins
What is a stimulus?
Something that scares a person
A cell that detects a change
A change in the external or internal environment
A response to a change in the body
Select all examples of stimuli
Chemicals in food
Light reflecting off an object
Sound waves
Temperature of a room
What tis the function of a receptor cell?
Specialised cells that detect stimuli
Specialised cells that carry an impulse to the brain
Specialised cells that cause a change to happen in the body
Specialised cells that process information and decide what the body will do
The function of the sensory neurone is to carry the impulse from the sensory organ to the central nervous system.
True
False
Examples of sensory organs include...
Skin, ears, eyes
Brain, ears, eyes
Brain, muscles, eyes
Glands, muscles, brain
Messages travel along neurones as...
Chemicals
Electrical impulses
What is a synapse?
Part of a neurone
Part of the brain
The gap between neurones
How do impulses travel across a synapse?
Chemicals diffuse across
Electrical impulses pass across
What is the CNS?
Central nervous system (brain and spinal cord)
Continuous nervous system (brain and spinal cord)
Controlling nervous station (brain and spinal cord)
Coordination nervous system (brain and spinal cord)
What does the CNS do?
Gathers information for memories
Processes information and decides the response
A motor neurone carries impulses from the central nervous system to the effector organs.
True
False
What is the function of an effector?
Muscle or gland that brings about responses in the body
Cells that carry electrical impulses around the body
Automatic responses of the nervous system
Changes in the environment.
