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How much blood is in your body?

Published in Human Physiology 1 min read

The amount of blood in your body depends on your size. A newborn baby has significantly less blood than an adult.

Here's a breakdown based on size and age, according to provided information:

  • Newborn baby: Around 1 cup of blood.
  • Adult (150-180 lbs): Approximately 1.2-1.5 gallons (or 10 units) of blood.
Group Approximate Blood Volume
Newborn Baby ~ 1 cup
Adult 1.2-1.5 gallons (~10 units)