Human heart | Structure and function | Easy and Full explanation of heart with diagram | Class 10th
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- Опубликовано: 4 окт 2024
- Human heart | Structure and function | Easy and Full explanation of heart with diagram | Class 10th
Hello guys welcome to my channel @mathssciencetoppers
In this video we are going to discuss about Heart in detail
NOTES
Heart
The heart is a fist-sized organ that pumps blood throughout your body. It's the primary organ of your circulatory system.
Your heart contains four main sections (chambers) made of muscle and powered by electrical impulses.
Heart chambers
Your heart is divided into four chambers. You have two chambers on the top (atrium, plural atria) and two on the bottom (ventricles), one on each side of the heart.
Right atrium: Two large veins deliver oxygen-poor blood to your right atrium. The superior vena cava carries blood from your upper body. The inferior vena cava brings blood from the lower body. Then the right atrium pumps the blood to your right ventricle.
Right ventricle: The lower right chamber pumps the oxygen-poor blood to your lungs through the pulmonary artery. The lungs reload blood with oxygen.
Left atrium: After the lungs fill blood with oxygen, the pulmonary veins carry the blood to the left atrium. This upper chamber pumps the blood to your left ventricle.
Left ventricle: The left ventricle is slightly larger than the right. It pumps oxygen-rich blood to the rest of your body.
Heart valves
Your heart valves are like doors between your heart chambers. They open and close to allow blood to flow through.
The atrioventricular (AV) valves open between your upper and lower heart chambers. They include:
Tricuspid valve: Door between your right atrium and right ventricle.
Mitral valve: Door between your left atrium and left ventricle.
Semilunar (SL) valves open when blood flows out of your ventricles. They include:
Aortic valve: Opens when blood flows out of your left ventricle to your aorta (artery that carries oxygen-rich blood to your body).
Pulmonary valve: Opens when blood flows from your right ventricle to your pulmonary arteries (the only arteries that carry oxygen-poor blood to your lungs).
#heart
#functionofheart
#structureofheart
#circulation
#science
#cbse
#class10th
#lifeprocess
#biology
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Mam
Please reply
Draw a lable diagram of heart showing the circulation of blood
Ye question 10 number ka hai esko kese karna hota hai
Ak to diagram bnana hai
Dusra samjh nahi AA Raha hai showing the circulation of blood ye kya hai btana please 🥺
Human Heart ke 4 chambers hote hain...to oxygenated blood kaun se chamber me aayega fir puri body me kaise kis chamber se hokar jaayega fir deoxygenated blood kaha kis chamber me aayega..isko explain karo with the help of diagram...
You need continuous blood flow through your heart and body to stay alive. Your heart is a powerful muscle that pumps oxygen-rich blood out to your body. Once it leaves your heart, this blood flows through many blood vessels to reach every part of your body, from the major organs (like your brain) to the smallest tissues at the tips of your toes. Your blood is always on the go, and it has two main jobs while it’s flowing through your body:
It delivers oxygen and nutrients to all your organs and tissues.
It removes carbon dioxide and other waste products from those same places.
The blood then returns to your heart once it’s low on oxygen and full of waste products. It needs to get filled with oxygen and get rid of carbon dioxide so your heart pumps it out to blood vessels in your lungs. Your blood gains oxygen and gets rid of waste in your lungs before flowing back to your heart. Your heart gratefully accepts this refreshed blood and pumps it back out to your body.
In addition to its role in delivering oxygen and nutrients, blood also contains infection-fighting cells called white blood cells. White blood cells are crucial in protecting the body from infection. Your white blood cells circulate throughout your body and respond to infections and foreign materials.
This circulation of blood continues over and over, every second of every day. Your heart and blood vessels make it all happen, and that’s why together they’re known as your circulatory system. The many parts of your circulatory system work together like a top-notch delivery service to keep blood moving through your body on schedule.
Deoxygenated blood from the body cells are carried by the veins to the heart.
The right auricle receives the blood and pumps it (through the tricuspid valves) into the right ventricle.
From here, pulmonary artery transports it to the lungs where it gets oxygenated.
From the lungs the oxygenated blood is carried by the pulmonary veins to the left auricle, which then pumps the oxygenated blood (through the mitral valves) into the left ventricle of the heart.
The systemic arteries (aorta) originating from the left ventricle circulate the oxygenated blood throughout the body parts.
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Left atrium and auricle. Left atrium. Left auricle.
Right atrium and auricle. Right atrium. Right auricle.
Interventricular septum and septal papillary muscles. Interventricular septum. ...
Right ventricle and papillary muscles. Right ventricle. ...
Left ventricle and papillary muscles. Left ventricle.
heart
heart wall three layers:
(1)endocardium
, (2)myocardium
(3) epicardium.
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