When cells become active in a certain area of the body, the blood flow to the capillaries in that area must _____ to provide more ____.
A. increase, O2
B. decrease, O2
C. increase, CO2
D. decrease, sodium
E. decrease, ATP
Ans: A. increase, O2
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Indicate whether this statement is true or false.
Regions in which muscle cells are interconnected via specialized attachment sites, containing gap junctions and desmosomes, are called
A) synovial membranes. B) CAMs. C) connexons. D) intercalated discs. E) adhesion belts.
From innermost to outermost, the protective layers on the kidney are the
A. renal corpuscle, perinephric fat, renal fascia, paranephric fat. B. fibrous capsule, paranephric fat, renal fascia, perinephric fat. C. renal fascia, paranephric fat, renal corpuscle, perinephric fat. D. renal fascia, perinephric fat, fibrous capsule, paranephric fat. E. fibrous capsule, perinephric fat, renal fascia, paranephric fat.
There are no teniae coli in which of the following structures?
(a) ascending colon (b) transverse colon (c) descending colon (d) sigmoid colon (e) appendix