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8 Cards in this Set
- Front
- Back
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What are the three types of Skeletal Tissue? |
* Skeletal * Cardiac * Smooth |
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Describe Skeletal Muscle Tissue. (4) |
* CT sheets attached to bones of the skeleton * Form the flesh of the body * As they contract, they pull on bones or skin causing body movements * Voluntary muscle |
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Describe Cardiac Muscle Tissue. (5) |
* Only in the walls of the heart * Contractions propel blood through blood vessels to all parts of the body * Striated with one central nucleus * Branching cells fit together at unique junctions called intercalcated discs * Involuntary muscle |
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Describe Smooth Muscle Tissue. (5) |
* No visible striations * Spindle shaped with one central nucleus * Found in walls of hollow organs (other than heart) * Squeezes substances through organs by contracting and relaxing * Involuntary muscle |
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Describe the Nervous System. |
Regulates and controls body functions |
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What are the two types of Nervous System cells? |
Neurons & Supporting Cells |
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What do Neurons do? |
* Highly specialized nerve cells that generate and conduct nerve impulses * Respond to stimuli (via dendrites) * Transmit electrical impulses over substantial distances (via axons) |
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What do Nervous System Supporting Cells do? |
* Non conducting cells * Support, insulate & protect the neurons |
