The composition of alveolar air differs from atmospheric air. Indicate all of the factors that account for this difference
Nitrogen does not enter alveoli
Difference in overall (total) pressure
Presence of water vapor
Gas exchange adds carbon dioxide
Gas exchange removes oxygen
_____
Nitrogen does not enter alveoli
_____
Difference in overall (total) pressure
__X__
Presence of water vapor
__X__
Gas exchange adds carbon dioxide
__X__
Gas exchange removes oxygen
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Answer the following statements true (T) or false (F)
1. Afferent vessels carry lymph toward the lymph node. 2. Lymph typically has several efferent vessels. 3. Efferent vessels carry lymph away from the lymph node. 4. Lymph nodes can trap cancer cells that have been carried away from the primary cancer site. 5. The lymphatic system may be the route that some cancers use to spread to other parts of the body.
The spinal tract that relays information concerning crude touch and pressure to the CNS is the
A) corticospinal pathway. B) posterior column pathway. C) spinocerebellar pathway. D) lateral spinothalamic tract of the spinothalamic pathway. E) anterior spinothalamic tract of the spinothalamic pathway.
In the word gastr/ectomy, the element "gastr/o" is considered the _________________________________________
Fill in the blank(s) with correct word
The taste area is located in the ________.
A. parietal lobe B. insula C. frontal lobe D. temporal lobe