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The migration of phagocytes and white blood cells to an inflamed area along a chemical gradient is called
The inflamatory process begins with the release of chemicals, which:
attract phagocytes to the area, dilate blood vessles, activate pain recepters, and cause capillaries to becom leaky
enable the immune system to respond quickly and robustly if the same antigen is encountered a second time
Most B cell clone members become
plasma cells during clonal expansion. Only a few become memory cells.
4 types of T cells:
1) Helper: help other cells fight pathogens and do various jobs present antigens. 2) cytotaxic: direcly fight pathogens 3) Regulatory: make sure B and T cells stop responses when neccesary 4) Memory T calls: fight certain diseases they are trained to remember
All sensory information is processed and relayed to the correct portions of the cerebrum by the
Autonomic nervous system functions:
innveration of glands, innervation of smooth muscle of the digestive tract, innervation of cardiac muscles
How does the interior surface of cell membrane of a resting neuron differ from the external environment?
It's negatively charged and contains less sodium
The part of the peripheral nervous system that carries sensory information to the CNS is the
If the potassium permeability of a resting nueron increases above the normal resting permeability, what effect will this have on the membrane potential?
The inside of the membrane will become more positive, and the membrane will become depolarized
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