When your finger accidentally gets caught in a door, the pain message is sent to your brain through:
Correct answer: C. Sensory receptors
- A. Medulla oblongata
- B. Motor nerve
- C. Sensory receptors
- D. Caffeine
Explanation
When your finger is accidentally caught in a door, sensory receptors in your skin detect pressure and pain signals. These signals are then swiftly transmitted to your brain through neurons, prompting a reflex action to withdraw your hand, protecting it from further harm.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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