To sustain life, the internal environment must be maintained in an absolutely unchanging state
Indicate whether the statement is true or false
F
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What organ is located in the lacrimal fossa?
A) the pituitary gland B) the inner ear C) tear gland D) the lacrimal ramus E) the frontal sinus
Helper T (TH) cells do not ________
A) secrete cytokines that stimulate clonal selection of B cells B) secrete fever-producing chemicals C) secrete inflammatory chemicals D) secrete cytokines that stimulate macrophage activity E) secrete cytokines that stimulate clonal selection of cytotoxic T cells
Which of the following tarsal bones transfers most of the body's weight to the ground when standing?
A) cuboid B) navicular C) calcaneus D) talus
The mouth opens into the
A) laryngeal cavity. B) mouth cavity. C) pharynx. D) nasal cavity. E) buccal cavity.