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The nervous system
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sensory:type of neuron that carries messages to the body's central nervous system
twitch:a brief period of muscle activity producing force
axonhillock:the site where the summation of the electrical signals take place
motor units:the key to any movement is the activation of ___
synapse:a point of connection and communication between two excitable cells
myelinsheath:this is a white substance high in fat content and secreted by Schwann cells
neurotransmitter:a chemical substance that binds to and activates specific cells
homeostasis:the ability of an organism to maintain internal equilibrium
neuron:an electrically excitable cell that initiates, transmits, and recieves throughout the body
motor:neurons that recieve impulses from other neurons
The nervous system
Across:1. | this is a white substance high in fat content and secreted by Schwann cells | 5. | the site where the summation of the electrical signals take place |
| 7. | the ability of an organism to maintain internal equilibrium | 9. | type of neuron that carries messages to the body's central nervous system |
| | Down:2. | a brief period of muscle activity producing force | 3. | an electrically excitable cell that initiates, transmits, and recieves throughout the body | 4. | neurons that recieve impulses from other neurons |
| 4. | the key to any movement is the activation of ___ | 6. | a chemical substance that binds to and activates specific cells | 8. | a point of connection and communication between two excitable cells |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only
The nervous system
Across:1. | this is a white substance high in fat content and secreted by Schwann cells | 5. | the site where the summation of the electrical signals take place |
| 7. | the ability of an organism to maintain internal equilibrium | 9. | type of neuron that carries messages to the body's central nervous system |
| | Down:2. | a brief period of muscle activity producing force | 3. | an electrically excitable cell that initiates, transmits, and recieves throughout the body | 4. | neurons that recieve impulses from other neurons |
| 4. | the key to any movement is the activation of ___ | 6. | a chemical substance that binds to and activates specific cells | 8. | a point of connection and communication between two excitable cells |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only