A deep, prolonged breath that fills the lungs, believed to be caused by the need to increase the level of oxygen in the blood, is called _____.?
A) ?coughing
B) ?hiccups
C) ?sneezing
D) ?yawning
D
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Lordosis affects the thoracic vertebrae
Indicate whether the statement is true or false
Fibrous extensions from the capsule of the lymph nodes that extend part of the way into the interior are the ________.
Fill in the blank(s) with the appropriate word(s).
The ________ are lymphoid tissues located in and around the pharynx
A) ducts B) tonsils C) lymphatic vessels D) lymph nodes
A postsynaptic neuron has three presynaptic inputs - from neurons X, Y, and Z. When X and Y are stimulated simultaneously and repeatedly, the postsynaptic neuron reaches threshold and undergoes an action potential
When X and Z are stimulated simultaneously, however, there is no change in the membrane potential of the postsynaptic neuron. The simultaneous stimulation of X and Y is an example of A. temporal summation. B. presynaptic inhibition. C. spatial summation. D. neuronal divergence. E. presynaptic facilitation.