A communicating junction acts to facilitate
A) the passage of ions between the cells.
B) the passage of neurotransmitters between cells.
C) a change in the permeability of the postsynaptic membrane.
D) growth of Schwann cells.
E) All of the answers are correct.
A) the passage of ions between the cells.
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These muscles extend from a superior rib inferomedially to the adjacent inferior rib. They elevate the ribs upon contraction, thereby increasing the transverse dimensions of the thoracic cavity during inhalation.
A. External intercostals B. Scalenes C. Transversus thoracis D. Internal intercostals E. Serratus posterior inferior
The effects of activating the complement system include all of the following except
A) destruction of target cell plasma membranes. B) stimulation of inflammation. C) inhibition of the immune response. D) opsonization. E) chemotaxis.
The condition when excessive fluid loss from sweating disrupts thermoregulatory mechanisms is known as
A) thermoneogenesis. B) heat exhaustion. C) hydrosis. D) heat stroke. E) hypothermia.
The first electron shell of an atom can hold a maximum of
A. 4 electrons. B. 1 electron. C. 2 electrons. D. 8 electrons.