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kiruha [24]
2 years ago
15

Measuring Pulse

Biology
2 answers:
stiks02 [169]2 years ago
6 0

Answer:How long each heart beat are apart

Explanation:

the vein isnt conected to ur heart :P

Ivenika [448]2 years ago
4 0
Veins aren’t connected to the direct flow from the heart
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