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Blood circulation in a mammalian is said to be double because
Question 1
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Blood circulation in a mammalian is said to be double because
it passes twice through the heart in a complete circuit
it moves in both arteries and veins
it circulates in both the heart and other organs
the heart contain auricles and ventricles
Answer Details
Read lesson note on Transport System (WAEC)
Read lesson note on Adaptation For Survival (WAEC)
Transport System
Adaptation For Survival
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