A neuron might be temporarily unable to transmit an impulse to another if
A) its supply of neurotransmitters is exhausted.
B) the neurons are of different types.
C) you are asleep.
D) there are too many astrocytes present.
E) the levels of microglia are too low.
A) its supply of neurotransmitters is exhausted.
You might also like to view...
Epithelial tissues are derivatives of the following embryonic germ layer.
A. endoderm B.ectoderm C.mesoderm D.endoderm and mesoderm E.none of the above
________ are essential for the reproduction of B cells and other types of cells.
A. Memory B cells B. Helper T cells C. Cytotoxic T cells D. Regulatory T cells
Bursae are found in all of the following areas except
A) tendon sheaths. B) beneath the skin covering a bone. C) within connective tissue exposed to friction or pressure. D) around blood vessels. E) around many synovial joints.
What kind of antibody does a baby receive from its mother's colostrums (first milk)?
a. IgA b. IgB c. IgC d. IgG e. IgM