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Human Heart – Full DefinitionThe heart is a muscular organ that works as a pump to circulate blood throughout the body. ...
13/04/2026

Human Heart – Full Definition

The heart is a muscular organ that works as a pump to circulate blood throughout the body. It supplies oxygen and nutrients to tissues and removes carbon dioxide and waste products.



Main Parts of the Heart

1. Chambers (4 parts)
• Right Atrium: Receives deoxygenated (impure) blood from the body through the superior vena cava and inferior vena cava.
• Right Ventricle: Pumps this blood to the lungs through the pulmonary artery.
• Left Atrium: Receives oxygenated (pure) blood from the lungs through the pulmonary veins.
• Left Ventricle: Pumps oxygen-rich blood to the whole body through the aorta.



2. Valves (control blood flow)
• Tricuspid Valve: Between right atrium and right ventricle
• Pulmonary Valve: Between right ventricle and pulmonary artery
• Mitral (Bicuspid) Valve: Between left atrium and left ventricle
• Aortic Valve: Between left ventricle and aorta

👉 These valves ensure blood flows in one direction only.



3. Major Blood Vessels
• Superior Vena Cava: Brings blood from upper body to heart
• Inferior Vena Cava: Brings blood from lower body
• Pulmonary Artery: Carries blood from heart to lungs
• Pulmonary Vein: Carries oxygenated blood from lungs to heart
• Aorta: Largest artery; carries blood from heart to entire body



Working of the Heart (Blood Flow)
1. Body → Right atrium (via vena cava)
2. Right atrium → Right ventricle
3. Right ventricle → Lungs (via pulmonary artery)
4. Lungs → Left atrium (via pulmonary vein)
5. Left atrium → Left ventricle
6. Left ventricle → Whole body (via aorta)



Short Summary

The heart continuously pumps blood in a cycle:
• Right side → sends blood to lungs
• Left side → sends oxygenated blood to body

Human Heart – Full DefinitionThe heart is a muscular organ that works as a pump to circulate blood throughout the body. ...
13/04/2026

Human Heart – Full Definition

The heart is a muscular organ that works as a pump to circulate blood throughout the body. It supplies oxygen and nutrients to tissues and removes carbon dioxide and waste products.



Main Parts of the Heart

1. Chambers (4 parts)
• Right Atrium: Receives deoxygenated (impure) blood from the body through the superior vena cava and inferior vena cava.
• Right Ventricle: Pumps this blood to the lungs through the pulmonary artery.
• Left Atrium: Receives oxygenated (pure) blood from the lungs through the pulmonary veins.
• Left Ventricle: Pumps oxygen-rich blood to the whole body through the aorta.



2. Valves (control blood flow)
• Tricuspid Valve: Between right atrium and right ventricle
• Pulmonary Valve: Between right ventricle and pulmonary artery
• Mitral (Bicuspid) Valve: Between left atrium and left ventricle
• Aortic Valve: Between left ventricle and aorta

👉 These valves ensure blood flows in one direction only.



3. Major Blood Vessels
• Superior Vena Cava: Brings blood from upper body to heart
• Inferior Vena Cava: Brings blood from lower body
• Pulmonary Artery: Carries blood from heart to lungs
• Pulmonary Vein: Carries oxygenated blood from lungs to heart
• Aorta: Largest artery; carries blood from heart to entire body



Working of the Heart (Blood Flow)
1. Body → Right atrium (via vena cava)
2. Right atrium → Right ventricle
3. Right ventricle → Lungs (via pulmonary artery)
4. Lungs → Left atrium (via pulmonary vein)
5. Left atrium → Left ventricle
6. Left ventricle → Whole body (via aorta)



Short Summary

The heart continuously pumps blood in a cycle:
• Right side → sends blood to lungs
• Left side → sends oxygenated blood to body
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12/04/2026

Phototherapy is a medical treatment that uses special light to treat certain health conditions. It is most commonly used in newborn babies who have jaundice, a condition caused by high levels of bilirubin in the blood. The light helps break down bilirubin in the skin so it can be easily removed from the body. Phototherapy may also be used for skin conditions like psoriasis and eczema. The treatment is generally safe, painless, and effective. Patients are usually exposed to the light while wearing protective eye coverings. Regular monitoring is important to ensure proper results and avoid side effects like dehydration or skin irritation.

12/04/2026

This photo shows two professional cricket players meeting on the field after a match. Both are wearing their team jerseys, one in red and blue and the other in blue. They are shaking hands, which suggests sportsmanship and mutual respect. One player is holding a trophy, indicating that his team may have won the match. The background shows a stadium filled with blurred spectators, creating a lively atmosphere. The expressions on their faces appear calm and respectful, possibly after a competitive game. The moment captures the spirit of cricket, where players appreciate each other’s performance despite being opponents on the field.

This photograph captures a poignant moment of sportsmanship between two professional cricket players, clad in their resp...
12/04/2026

This photograph captures a poignant moment of sportsmanship between two professional cricket players, clad in their respective team jerseys, meeting on the field following a match. The player donning the red and blue jersey is shaking hands with his counterpart, who wears blue, exemplifying mutual respect. Notably, one of the players is holding a trophy, suggesting that his team emerged victorious. In the background, a blurred crowd fills the stadium, contributing to the electric atmosphere. The calm and respectful expressions on their faces belie the competitiveness of the game, highlighting the essence of cricket, where opponents appreciate each other's performance.

12/04/2026

Mr najim khan Cricket Addictor Samaj seva team rhp

12/04/2026

Sanju Samson now holds the third-most centuries by an Indian in IPL history 👏🏻

Yesterday - Vaibhav scored 78(26).Today - Abhishek scored 74(28).Can't wait to see these two beasts at the opening for I...
12/04/2026

Yesterday - Vaibhav scored 78(26).

Today - Abhishek scored 74(28).

Can't wait to see these two beasts at the opening for India in T20 . # cricket’s

भारत और पाकिस्तान के बीच रविवार को हाई वोल्टेज मुकाबला खेला जाना है. ये मैच कोलंबों के आर प्रेमदासा स्टेडियम में होगा. द...
14/02/2026

भारत और पाकिस्तान के बीच रविवार को हाई वोल्टेज मुकाबला खेला जाना है. ये मैच कोलंबों के आर प्रेमदासा स्टेडियम में होगा. दोनों टीमें अब तक टूर्नामेंट में अजेय हैं और ग्रुप ए में शीर्ष दो स्थानों पर काबिज हैं. भारत ने टूर्नामेंट के पहले मैच में अमेरिका को 29 रन से हराया और फिर नामीबिया को 93 रन से मात दी. चार अंकों और +3.050 नेट रन रेट के साथ भारत टेबल में शीर्ष पर है.

# Facebook

29/01/2024

Manohar farooqui

05/10/2023

move khan

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Village Kot Tahsil Hateen Distek Palwal
Fatehabad
121103

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