Lymphatic capillaries are present in almost every tissue of the body, with the exception of the ________ nervous system and a few other areas.
Fill in the blank(s) with the appropriate word(s).
central
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As a general rule, in temperate regions the most important environmental cue that triggers migration is
A) Photoperiod. B) Temperature change. C) Change in food quality and abundance. D) All of the above
Afferent arteriolar vasoconstriction ____ blood flow into the glomerulus, which causes the glomerular-capillary blood pressure to ____, leading to a(n) ____ in the net filtration pressure and a resultant ____ in the GFR
a. increases; increase; increase; increase b. decreases; decrease; decrease; decrease c. increases; increase; decrease; decrease d. decreases; decrease; increase; increase e. none of these
For maximum loading of hemoglobin with oxygen at the lungs, the
A) PCO2 should be high. B) pH should be slightly acidic. C) PO2 should be about 70 mm Hg. D) BPG levels in the red blood cells should be high. E) PCO2 should be low.
Air in the pleural cavity is called
A. emphysema. B. respiratory distress syndrome. C. a pneumothorax. D. pneumonia. E. forced expiration.