The circulatory system
The Heart
Blood
100

The main power behind the circulatory system.

The heart

100

Approximately how many time does your heart beat in a day?

100,000

100

The main liquid of blood and its true color.

Plasma. The color is yellow.

200

The tubes that carry blood away from the heart.

Ateries

200

What are the upper chambers of the heart called?

Atrium

200

carries oxygen and waste and makes blood look red.

Red blood cells.

300

The tubes that carry blood towards the heart.

Veins

300

What are the lower chambers of the heart called?

Ventricles

300

your body's defence (the "soldiers")

White blood cells

400

The smallest tubes where waste and oxygen are exchanged.

Cappilaries

400

Major blood vessel that carries blood away from the heart.

Aorta

400

The part of the stops bleeding.

Platelets

500

How long does it take for blood to circulate the entire body?

1-2 minutes

500

how many time could your veins go around the world if laid end to end?

2.5 times

500

How many liters of blood are in the human body?

5

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