________ are large lymphatic nodules that are located in the walls of the pharynx
A) Tonsils
B) Peyer's patches
C) Lymph nodes
D) Immune complexes
E) Spleens
A
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A suture is an example of a(n)
A) synarthrosis. B) syndesmosis. C) symphysis. D) diarthrosis. E) amphiarthrosis.
A transmural pressure gradient exists across the lung wall because the ____ pressure is less than the ____ pressure
a. intrapleural; intra-alveolar b. intra-alveolar; intrapleural c. intrapleural; atmospheric d. atmospheric; intra-alveolar e. atmospheric; intrapleural
When Na+ is actively transported from tubular cells to the interstitial fluid,
A. glucose and amino acids are countertransported at the same time. B. Na+ concentration gradient is established between the tubule lumen and tubule cell. C. water is secreted. D. no energy is needed. E. water is countertransported by carrier molecules.
Cations tend to move toward a negatively charged area
Indicate whether the statement is true or false