How Does the Heart Pump Blood Through Our Body?
The heart is a strong, muscular organ about the size of your fist . It works like a powerful pump that pushes blood all around your body every second .
The heart has four chambers:
Right Atrium
Right Ventricle
Left Atrium
Left Ventricle
Step 1: Blood Comes Back to the Heart
Blood that has used up its oxygen travels back to the heart from the body .
It enters the right atrium .
Step 2: Blood Goes to the Lungs
The blood moves from the right atrium to the right ventricle .
The right ventricle pumps the blood to the lungs .
In the lungs, the blood picks up fresh oxygen .
Step 3: Oxygen-Rich Blood Returns
Now the blood is full of oxygen .
It travels back to the heart and enters the left atrium.
Step 4: Blood Is Pumped to the Whole Body
The blood moves into the left ventricle .
The left ventricle is the strongest chamber .
It pumps oxygen-rich blood through the aorta (the biggest artery) and sends it to the whole body .
The Heartbeat
Each time your heart beats, it squeezes and relaxes:
Squeeze = Pump blood out
Relax = Fill with blood again
Your heart beats about 60–100 times per minute !
It works day and night without stopping .
https://youtu.be/9HldxopkP2o
The heart is a strong, muscular organ about the size of your fist . It works like a powerful pump that pushes blood all around your body every second .
The heart has four chambers:
Right Atrium
Right Ventricle
Left Atrium
Left Ventricle
Step 1: Blood Comes Back to the Heart
Blood that has used up its oxygen travels back to the heart from the body .
It enters the right atrium .
Step 2: Blood Goes to the Lungs
The blood moves from the right atrium to the right ventricle .
The right ventricle pumps the blood to the lungs .
In the lungs, the blood picks up fresh oxygen .
Step 3: Oxygen-Rich Blood Returns
Now the blood is full of oxygen .
It travels back to the heart and enters the left atrium.
Step 4: Blood Is Pumped to the Whole Body
The blood moves into the left ventricle .
The left ventricle is the strongest chamber .
It pumps oxygen-rich blood through the aorta (the biggest artery) and sends it to the whole body .
The Heartbeat
Each time your heart beats, it squeezes and relaxes:
Squeeze = Pump blood out
Relax = Fill with blood again
Your heart beats about 60–100 times per minute !
It works day and night without stopping .
https://youtu.be/9HldxopkP2o
❤️ How Does the Heart Pump Blood Through Our Body? 🫀
The heart is a strong, muscular organ about the size of your fist ✊. It works like a powerful pump that pushes blood all around your body every second ⏱️.
The heart has four chambers:
Right Atrium 💙
Right Ventricle 💙
Left Atrium ❤️
Left Ventricle ❤️
🔵 Step 1: Blood Comes Back to the Heart
Blood that has used up its oxygen travels back to the heart from the body 🧍♂️➡️🫀.
It enters the right atrium 💙.
🔵 Step 2: Blood Goes to the Lungs
The blood moves from the right atrium to the right ventricle 💙.
The right ventricle pumps the blood to the lungs 🫁.
In the lungs, the blood picks up fresh oxygen 🌬️✨.
🔴 Step 3: Oxygen-Rich Blood Returns
Now the blood is full of oxygen ❤️.
It travels back to the heart and enters the left atrium.
🔴 Step 4: Blood Is Pumped to the Whole Body
The blood moves into the left ventricle ❤️.
The left ventricle is the strongest chamber 💪.
It pumps oxygen-rich blood through the aorta (the biggest artery) and sends it to the whole body 🚀.
💓 The Heartbeat
Each time your heart beats, it squeezes and relaxes:
Squeeze = Pump blood out 💥
Relax = Fill with blood again 🔄
Your heart beats about 60–100 times per minute ⏰!
It works day and night without stopping 🌙☀️.
https://youtu.be/9HldxopkP2o
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