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The circulatory system is the body’s transport system. It moves blood, oxygen, and nutrients to every part of the body and removes waste like carbon dioxide. It's essential for keeping every cell alive and working properly

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3 Main Components in the Circulatory System

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3 Main Components in the Circulatory System

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There are 3 main components in the human circulatory system:

Components: Heart, Blood, and Blood Vessels

Heart: A strong muscular pump that keeps the blood flowing non-stop.

Blood: The fluid that carries oxygen, nutrients, and waste products.

Blood Vessels: Tubes (arteries, veins, capillaries) that act like highways for blood to travel around the body.

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Key Points:

Main Chambers (4 total):

Right Atrium – Receives deoxygenated blood from the body.

Right Ventricle – Pumps deoxygenated blood to the lungs.

Left Atrium – Receives oxygenated blood from the lungs.

Left Ventricle – Pumps oxygenated blood to the whole body.

🔸 Main Blood Vessels:

Vena Cava – Carries deoxygenated blood from the body to the right atrium.

Pulmonary Artery – Carries deoxygenated blood from the heart to the lungs.

Pulmonary Vein – Carries oxygenated blood from the lungs to the heart.

Aorta – Sends oxygenated blood from the heart to the rest of the body.

🔸 Important Valves:

Tricuspid Valve – Between right atrium and right ventricle; prevents backflow into atrium.

Bicuspid (Mitral) Valve – Between left atrium and left ventricle; prevents backflow into atrium.

Semilunar Valves – At the base of pulmonary artery and aorta; prevent blood from flowing back into ventricles.

🔸 Septum:

Separates left and right sides of the heart.

Prevents oxygenated and deoxygenated blood from mixing.

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Human Heart | Human heart structure and function | Parts of the human heart | Video for kids

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Circulatory system in human body animation, Human Circulatory System Explained: A Detailed Overview

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🧠 Interesting Facts About the Heart

Your heart beats about 100,000 times a day!

A woman's heart typically beats faster than a man's.

The heart can still beat outside the body for a short time if it has oxygen.

The sound of your heartbeat is caused by valves opening and closing.

An adult heart is about the size of a fist.

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Healthy Lifestyle Tips for a Healthy Heart

Exercise at least 30 minutes a day.

Eat more fruits, veggies, and whole grains.

Avoid too much salt, sugar, and oily foods.

Don’t smoke and limit sugary drinks.

Get enough sleep and manage stress.

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Welcome to the Circulatory System Hub! 🫀💡

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Welcome to the Circulatory System Hub! 🫀💡

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This Padlet is your go-to learning space designed to help you explore and understand the Human Circulatory System in a fun, simple, and student-friendly way. Using a flipped classroom approach, this platform breaks down the topic into smaller, bite-sized subtopics, so you can learn at your own pace, anytime, anywhere!

Get ready to dive into the heart, blood, and vessels like never before. Each section is packed with visuals, videos, and interactive resources to make learning more engaging and meaningful.

Let the journey of blood flow begin! 🚀