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Circulation Quest

Riddle

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About this activity

Colorful riddles on the circulatory system

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Uzbekistan

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Circulation Quest
 

Circulation QuestOnline version

Colorful riddles on the circulatory system

by Mariam Saqib Saqib
1

I am a muscular four-chambered pump that keeps a steady beat, sending blood to the body. In a colorful diagram, I stand ready to cycle. Who am I?

Hints

Look for the chambered organ in the chest diagram.

Think of the organ powering your pulse.

I push blood out to the body and receive it back.

2

I carry blood away from the heart with thick walls and a strong pulse, guiding each wave of life through the body. What am I?

Hints

Chart shows a bright red tube leaving the heart.

Look for the vessel that carries blood outward.

I am not a vein; my walls are sturdy.

3

Returning blood to the heart, I have valves to prevent backflow and vessels that feel like gentle rivers. What am I?

Hints

Colorful diagram often shows blue-dyed vessels.

Valves stop the backward flow.

I am the return path in circulation.

4

Tiny, delicate vessels where exchanges happen between blood and tissues, linking arteries to veins. What am I?

Hints

See a network bridging arteries and veins in bright color.

Gas and nutrient exchange occurs here.

They are the smallest vessels in the body.

5

These flexible discs carry oxygen and color the blood bright red as they travel. Who are these couriers?

Hints

Picture a fleet of tiny red bottles in the diagram.

Carry oxygen using hemoglobin.

They don’t have nuclei in mature form.

6

Soldiers of the immune system roaming the body to fight invaders, often shown as small guardians.

Hints

In diagrams, they appear alongside plasma and cells.

They attack microbes and infections.

Not part of the transport system, but of defense.

7

The clear, pale-yellow liquid that carries cells, nutrients, and waste through the body.

Hints

See a yellowish background layer in the diagram.

It looks like the filling of the circulatory system.

It makes up most of the liquid in blood.

8

The place where gas exchange happens—oxygen in, carbon dioxide out—between air and blood.

Hints

Breathing moves air to these organs in color.

In diagrams, they sit at the ends of airways.

Part of the respiratory and circulatory systems.

9

The organ system that drives blood around the body with pressure, measured as a force against vessel walls.

Hints

Look for a gauge or chart in the diagram.

It reflects heart pumping and vessel elasticity.

Systolic over diastolic numbers appear in health charts.

10

The main artery leaving the heart, distributing oxygen-rich blood through the body.

Hints

In color pictures, it is a standout bright vessel.

It arches from the heart to supply systemic circulation.

The largest artery in the body.

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