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nekit [7.7K]
3 years ago
12

Oxygen constantly diffuses from air or water into an animal's bloodstream for this to happen the concentration of oxygen in the

blood must be
Biology
1 answer:
Mashcka [7]3 years ago
4 0
The concentration of oxygen must be lower in the blood since diffusion is a form of passive transport, which goes down the concentration gradient (high to low.) Hope this helps! :)
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