The countercurrent exchange system for gills relies on diffusion to diffuse oxygen into the blood. This system works because the blood in the gills. a. increasing encounters [Select] b. decreasing water as the blood moves from [Select] a. arteries [Select] b. capillaries c. Veins ✰ concentrations of oxygen in the a.arteries b. capillaries to C. veins through the capillaries. This also ensures that a. less blood always has [Select] b. more c. the same amount of oxygen than the water for continued diffusion.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The countercurrent exchange system for gills relies on diffusion to diffuse
oxygen into the blood. This system works because the blood in the gills.
a. increasing
encounters [Select] b. decreasing
water as the blood moves from [Select]
a. arteries
[Select] b. capillaries
c. Veins
✰ concentrations of oxygen in the
a.arteries
b. capillaries to
C. veins
through the capillaries. This also ensures that
a. less
blood always has [Select] b. more
c. the same amount of
oxygen than the water for
continued diffusion.
Transcribed Image Text:The countercurrent exchange system for gills relies on diffusion to diffuse oxygen into the blood. This system works because the blood in the gills. a. increasing encounters [Select] b. decreasing water as the blood moves from [Select] a. arteries [Select] b. capillaries c. Veins ✰ concentrations of oxygen in the a.arteries b. capillaries to C. veins through the capillaries. This also ensures that a. less blood always has [Select] b. more c. the same amount of oxygen than the water for continued diffusion.
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