Which statement describes how a lymph node is structurally different from a tonsil?
A) Lymph node has both red and white pulp.
B) Tonsil lacks the afferent vessels.
C) Tonsil lacks a capsule.
D) Lymph node lacks a capsule.
Answer: B
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All the cells of which layer of the skin are transparent and flat?
a. stratum germinativum b. stratum lucidum c. stratum spinosum d. stratum granulosum
The membrane that lines passageways that open to the exterior environment is called __________.
A. the lamina propria B. endothelium C. a synovial membrane D. a serous membrane (serosa) E. a mucous membrane (mucosa)
Which of the following functional areas of the cerebrum is responsible for sensing body touch and temperature?
a) Broca's area b) Primary visual area c) Common integrative area d) Prefrontal cortex area e) Primary somatosensory area
When tissues are producing more CO2 through increased metabolic activity, less O2 is provided to those tissues.
Answer the following statement true (T) or false (F)