Most adults carry about 4.5–5.5 liters of blood, with body size, sex, and pregnancy shifting the total.

Adult kidneys receive about 1,200 mL of blood each minute, so roughly 1,700 liters pass through them in a day.

Most people lose about 30–60 mL of blood in one cycle; over 80 mL is classed as heavy menstrual bleeding.

An average adult carries a bit over 5 liters of blood, and day-to-day health depends on keeping enough volume to move oxygen and heat around.

An adult heart often moves about 5–6 liters of blood each minute while resting, and it can rise a lot during hard effort.

A resting adult heart moves around 7,200 liters of blood in 24 hours, with the total rising sharply with activity.

An adult heart often moves about 7,000–8,000 liters of blood per day at rest.

A resting adult heart moves about 7,000–8,500 liters of blood in 24 hours, and that total climbs fast with activity.

Most adults carry about 5–6 liters of blood, and that total shifts with body size, pregnancy, and fluid balance.

An average adult heart moves about 5 liters of blood each minute at rest, which often totals roughly 7,000–8,000 liters in a day.