A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian...
BIOLOGY
JAMB 1994
A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as
- A. open
- B. haemocoelic
- C. single
- D. closed
Correct Answer: D. closed
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