The sensory neuron has pain-sensitive endings in:
Correct answer: C. Skin
- A. Hypothalamus
- B. Bones
- C. Skin
- D. Muscles
Explanation
Sensory neurons have pain-sensitive endings in the skin, as the skin is a sensory organ. Sensory neurons are nerve cells that detect physical and chemical stimuli from the environment and inside the body, converting them into electrical signals called nerve impulses. These impulses are then transmitted to the central nervous system (CNS)-the brain and spinal cord-for processing, allowing for perceptions of touch, temperature, pain, light, sound, taste, and smell. Sensory neurons are found in sensory organs like the eyes, ears, skin, and nose, and play a crucial role in connecting the body to the brain.
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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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