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7-13 week

QuestionAnswer
In a myelinated neuron, the impulse can travel under the myelin between nodes of Ranvier. True
Which membrane receptor acts to directly change ion permeability when stimulated? Gated-channel receptor Ionotropic receptor Metabotropic receptor G-protein-coupled receptors Gated-channel receptor
Fluid that is clear, watery and contains protein molecules, salts, and other substances is called intercellular fluid
The functions of the lymph nodes are defense and hematopoiesis.
Which of the following is a powerful poison that acts directly on any cell and quickly kills it? lymphotoxin
Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the lymphocyte.
External respiration can be defined as: the exchange of gases between the lung and the blood capillaries in the lung. pulmonary ventilation.
Peristalsis is regulated in part by the intrinsic stretch reflexes. It is also thought to be stimulated by the hormone cholecystokinin (CCK)
The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: vasoactive intestinal peptide.
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. passively out of
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