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Questions and Answers
What is the function of motor nerves?
What is the function of motor nerves?
- Transmit signals from the brain (correct)
- Detect environmental changes
- Serve both sensory and motor functions
- Transmit information from the body to the CNS
What does the peripheral nervous system (PNS) mainly consist of?
What does the peripheral nervous system (PNS) mainly consist of?
- Sensory organs
- Endocrine system
- Brain and spinal cord
- Nerves (correct)
When did nervous tissue first arise in wormlike organisms?
When did nervous tissue first arise in wormlike organisms?
- 200 to 300 million years ago
- 100 million years ago
- 550 to 600 million years ago (correct)
- 1 billion years ago
What are spinal nerves?
What are spinal nerves?
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What does the central nervous system (CNS) consist of in vertebrates?
What does the central nervous system (CNS) consist of in vertebrates?
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