父への想い出

Synopsis

“My Amazing Heart” — A Children’s Science Book Target age: 7–12 years Format: Short explanations + illustrations + fun facts + questions + simple activities Chapter 1. 🫀 What Is the Heart? What is the heart? Where is it located? How big is it? What does it look like? Why does the heart keep beating? Ask the child: 👉 “Does your heart beat while you are sleeping?” Chapter 2. 🔴 What Is Inside the Heart? The four chambers Right atrium Right ventricle Left atrium Left ventricle Heart valves Simple explanation: “Imagine your heart as a tiny house with four rooms.” Chapter 3. 🩸 The Journey of Blood Where does blood come from? Where does it go? What does the lungs do? How does blood get oxygen? How does blood travel around the body? Activity: 👉 Draw the journey of blood. Chapter 4. 💪 Why Is the Left Ventricle Stronger? Right vs. left ventricle Why their jobs are different Pumping blood to the lungs Pumping blood to the whole body Ask the child: 👉 “Why do you think the left ventricle needs stronger muscles?” Chapter 5. 🩸 What Is Blood? What blood does Red blood cells White blood cells Platelets Why is blood red? How does blood carry oxygen? Chapter 6. 🌬️ The Heart and Lungs: A Team What happens when we breathe? How does oxygen enter the blood? How does the heart deliver oxygen to the body? Why do we breathe faster when we run? Chapter 7. 🏃 Why Does Your Heart Beat Faster? Heart rate at rest Heart rate during exercise What happens when we are scared or excited? Heart rate during sleep How to count your heartbeat Try it! ❤️ Count your heartbeat for 30 seconds. 🏃 Jump or run for one minute. ❤️ Count it again. 👉 What changed? Chapter 8. 🧠 Your Heart and Brain How does the brain communicate with the heart? Why does your heart beat faster when you are scared? Why does your heart race when you are excited? What does it mean when people say, “Listen to your heart”? Chapter 9. 🥦 How Can We Keep Our Heart Healthy? Healthy food Physical activity Good sleep Drinking water Avoiding tobacco smoke Spending less time sitting Being active every day Chapter 10. ❤️ Listen to Your Heart Feeling your heartbeat What is a pulse? Heartbeat vs. pulse When should you tell an adult if something feels wrong? Chapter 11. 🔬 How Do Doctors Study the Heart? How doctors listen to the heart What is a stethoscope? What is an ECG? What is an echocardiogram? What can doctors learn about the heart? Chapter 12. 🌟 Amazing Heart Facts A collection of fun facts about the heart, such as: The heart works day and night. The heart is a muscular organ. Exercise changes your heart rate. The heart pumps blood through two circulation systems. Your heart keeps working while you sleep. 🎯 At the End of the Book How Well Do You Know Your Heart? A short quiz with 10–15 questions. Draw the Journey of Blood Children draw the pathway: Body → Heart → Lungs → Heart → Body My Heart Health Challenge A simple 7-day activity chart: ☐ Be physically active ☐ Eat a fruit or vegetable ☐ Drink water ☐ Get enough sleep ☐ Spend less time sitting 🌟 The Big Idea “Your heart is more than an organ that beats. It is a powerful muscle that keeps your whole body supplied with oxygen and nutrients.”