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Infographics: Human Heart | Biology Class 11 - NEET PDF Download
The document Infographics: Human Heart | Biology Class 11 - NEET is a part of the NEET Course Biology Class 11.
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FAQs on Infographics: Human Heart - Biology Class 11 - NEET
| 1. What are the main functions of the human heart? |  |
Ans. The human heart serves several critical functions, primarily involving the circulation of blood throughout the body. Its main functions include:
1. Pumping oxygenated blood from the lungs to the rest of the body.
2. Receiving deoxygenated blood from the body and pumping it to the lungs for oxygenation.
3. Maintaining blood pressure to ensure adequate blood flow.
4. Regulating blood flow to various tissues based on their metabolic needs.
| 2. How does the structure of the heart contribute to its function? | |
Ans. The heart's structure is intricately designed to facilitate its functions. It consists of four chambers: the right atrium and ventricle, which handle deoxygenated blood, and the left atrium and ventricle, which manage oxygenated blood. The heart walls are made up of cardiac muscle, which enables strong contractions. Valves between the chambers ensure unidirectional blood flow, preventing backflow and maintaining efficient circulation.
| 3. What are common cardiovascular diseases related to heart function? | |
Ans. Common cardiovascular diseases include:
1. Coronary artery disease, which is caused by the buildup of plaque in the coronary arteries.
2. Heart failure, where the heart cannot pump effectively, leading to fluid buildup.
3. Arrhythmias, which are irregular heartbeats that can affect blood flow.
4. Valvular heart diseases, which involve malfunctioning heart valves impacting blood flow.
| 4. What role does the heart play in the overall human circulatory system? | |
Ans. The heart is the central organ of the circulatory system, acting as a pump that drives blood throughout the body. It works in conjunction with blood vessels, including arteries, veins, and capillaries, to transport oxygen, nutrients, hormones, and waste products. The heart's rhythmic contractions create the pressure needed to propel blood, ensuring that all organs and tissues receive the blood supply they require for optimal functioning.
| 5. How can lifestyle choices impact heart health? | |
Ans. Lifestyle choices significantly impact heart health. Factors such as diet, exercise, smoking, and stress levels can influence cardiovascular health. A balanced diet low in saturated fats, regular physical activity, avoiding tobacco, and managing stress can reduce the risk of heart disease. Regular check-ups and monitoring blood pressure and cholesterol levels are also essential for maintaining heart health and preventing complications.
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Document Description: Infographics: Human Heart for NEET 2025 is part of Biology Class 11 preparation.
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