Blood circulation in a mammalian is said to be double because

a

it passes twice through the heart in a complete circuit

b

it moves in both arteries and veins

c

it circulates in both the heart and other organs

d

the heart contain auricles and ventricles

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gozie1510
4 months ago

Double Circulation in transport System can be defined as a process or action is when blood

gozie1510
4 months ago

Double Circulation in transport System can be defined as a proce ss or action is when blood ...... see more

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