Nervous Tissue: Communication and Control
Students will describe the structure of neurons and supporting glial cells and explain how nervous tissue transmits electrical and chemical signals to coordinate body functions.
Key Questions
- Identify the structural components of a neuron — including the cell body, dendrites, axon, myelin sheath, and axon terminals — and explain the function of each part.
- Explain how electrical signals travel along a neuron and are transmitted to adjacent cells via neurotransmitters released at synaptic junctions.
- Analyze how structural features of nervous tissue — such as myelin sheath presence and axon diameter — relate to the speed and efficiency of signal transmission.
Ontario Curriculum Expectations
Suggested Methodologies
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