Facts for Kids
The sternum is a flat bone located in the center of the chest, it connects to the ribs and protects vital organs in the thoracic cavity.
Overview
Anatomy Of The Sternum
Functions Of The Sternum
Sternum In Different Animals
Sternum And Its Role In Breathing
Interesting Facts About The Sternum
Historical Perspectives On The Sternum
Common Disorders Related To The Sternum
Surgical Procedures Involving The Sternum
Inside this Article
Leonardo Da Vinci
Attention
Breathing
Diaphragm
Triangle
Surgery
People
Lungs
Heart
Did you know?
🦴 The sternum is flat and is also known as the breastbone.
❤️ It plays a crucial role in protecting the heart and lungs.
🧑⚕️ The sternum consists of three parts: the manubrium, body, and xiphoid process.
🦷 The sternum is connected to the ribcage by cartilage, aiding flexibility during breathing.
⚖️ Average adult sternum length ranges from 15 to 20 cm.
🔍 The sternum serves as an attachment point for several muscles, including those involved in respiration.
🧩 The sternum is vital in CPR, as compressions are often performed on it.
🌱 In children, the sternum is made of cartilage, which later ossifies into bone.
🚑 Sternum fractures can occur due to blunt force trauma, often seen in car accidents.
🕵️♂️ The sternum can be examined for signs of certain health issues through imaging techniques.
Introduction
The sternum, also called the breastbone, is shaped like a sword and is made up of three parts: the manubrium (top), body (middle), and xiphoid process (bottom). It plays a key role in your upper body structure and is like a strong shield for your heart! 🛡
️ The sternum is very important for both babies and adults because it helps support the chest and keeps everything safe.
Anatomy Of The Sternum
It has three main parts:
1. Manubrium: This is the top part and is shaped like a triangle. It connects to the collarbones (clavicles) and the first pair of ribs.
2. Body: The long middle part connects to the majority of the ribs.
3. Xiphoid Process: This tiny, pointed end at the bottom can be soft in babies but hardens over time. 🪨
Together, these parts form a sturdy bone that keeps your chest strong!
Functions Of The Sternum
It also helps in breathing by acting as a base for the ribs to attach to. During inhalation, your rib cage expands, and the sternum moves slightly, allowing your lungs to fill with air. 🌬
️ Additionally, the sternum acts as a connection point for muscles involved in moving your arms and shoulders, making it crucial for activities like running or playing sports! ⚽
Sternum In Different Animals
Just like humans, mammals like dogs and cats have a sternum to protect their heart and lungs. Birds also have a special sternum called a "keel," which helps them fly! 🐦
It's often larger and has grooves to help support their wing muscles. Interestingly, reptiles like snakes don't have a sternum like we do, but they have similar structures that help support their bodies. 🌍
The sternum helps many animals keep their insides protected!
Sternum And Its Role In Breathing
️ When you breathe in, your diaphragm moves down, and your rib cage expands. This causes your sternum to lift slightly, making more space for your lungs to fill with air. 🫁
When you breathe out, your rib cage and sternum return to their resting position. This whole process happens quite fast, allowing you to breathe easily while playing or relaxing. So, every time you take a breath, remember that your sternum is working hard to help you stay alive! 👍
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Interesting Facts About The Sternum
Did you know that the sternum is the only bone in your body that doesn't have a joint? It’s also the only flat bone in the chest area! ⚖
️ Interestingly, as you grow older, the sternum can change shape! Babies are born with a softer sternum, which turns hard as they grow. 🧒🔄 It’s also fun to know that some people have a “split” sternum, which is just a normal variation! The sternum not only protects but also holds the record for being one of the hardest bones in your body!
Historical Perspectives On The Sternum
Greek physician Hippocrates (460-370 BC) wrote about the sternum and its importance. During the Renaissance, famous artists like Leonardo da Vinci studied human anatomy, including the sternum, to create realistic paintings and sculptures. 🎨
This helped people understand the body better! Today, doctors continue to explore the sternum’s functions in sports medicine and surgery, showcasing how its importance has been understood for centuries. ⏳
Common Disorders Related To The Sternum
Another problem is sternum fractures, which can happen due to hard impacts, like in a car accident or a fall. 🔥
While these issues can be painful, they often heal with rest and medical attention. Visiting a doctor is always a good idea if you feel any chest pain! 🩺
Surgical Procedures Involving The Sternum
This helps in heart surgeries like bypass operations. After the surgery, the sternum is put back together using special wires to help it heal. 🚑
This process allows doctors to save lives and treat heart diseases. It's important that patients rest after such surgeries to ensure everything heals properly! 🛌
Sternum Quiz
Frequently Asked Questions
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