a: Passive transport ~
b: swimming in the direction of water flow in a river
What: "Passive transport is like swimming in the direction of water flow in a river. Here, the substances move from region of higher concentration to the region of lower concentration "From"Essentials of Medical Physiology"
Useful?
Writer: K. Sembulingam, Prema Sembulingam
LCC:
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Date: Feb 28 2014 3:34 PM
# 5104 Critique Analogy