Muscle and Nervous Tissue
(pg 10)
Muscle Tissue
• Long, slender cells
• Lots of blood vessels
• Cells can contract (shorten)
• Contractile proteins = actin ...
Skeletal Muscle
• Each cell has many nuclei
• Striated: Light and dark bands caused by
arrangement of contractile proteins...
Smooth Muscle
• Found in organs
• 1 nucleus/cell
• No striations
• Involuntary control
Cardiac Muscle
• Only in heart
• Striated
• Shorter cells than skeletal muscle
• 1 nucleus/cell
• Involuntary
Neurons
• Found in brain, spinal cord, and nerves
• Generate and conduct electrical impulses
• Stimulate muscle contractio...
Neurons
Neurons
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Muscle and nervous tissue

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Muscle and nervous tissue

  1. 1. Muscle and Nervous Tissue (pg 10)
  2. 2. Muscle Tissue • Long, slender cells • Lots of blood vessels • Cells can contract (shorten) • Contractile proteins = actin & myosin, form microfilaments in the cytoplasm
  3. 3. Skeletal Muscle • Each cell has many nuclei • Striated: Light and dark bands caused by arrangement of contractile proteins • Under voluntary control
  4. 4. Smooth Muscle • Found in organs • 1 nucleus/cell • No striations • Involuntary control
  5. 5. Cardiac Muscle • Only in heart • Striated • Shorter cells than skeletal muscle • 1 nucleus/cell • Involuntary
  6. 6. Neurons • Found in brain, spinal cord, and nerves • Generate and conduct electrical impulses • Stimulate muscle contraction, sense environment, responsible for emotions, memory, and reasoning
  7. 7. Neurons
  8. 8. Neurons

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