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Transportation in Humans Video Lecture | General Awareness for SSC CGL

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FAQs on Transportation in Humans Video Lecture - General Awareness for SSC CGL

1. How does transportation occur in humans?
Ans. Transportation in humans occurs through the circulatory system, which includes the heart, blood vessels, and blood. The heart pumps blood through the blood vessels, delivering oxygen, nutrients, and hormones to cells and removing waste products.
2. What is the role of red blood cells in human transportation?
Ans. Red blood cells are responsible for transporting oxygen from the lungs to all parts of the body. They contain hemoglobin, a protein that binds to oxygen in the lungs and releases it to tissues that need it.
3. How is carbon dioxide transported in humans?
Ans. Carbon dioxide produced by cells is transported from tissues to the lungs mainly in the form of bicarbonate ions dissolved in plasma. It is also carried by red blood cells, where it combines with hemoglobin or is carried as dissolved gas.
4. What are the different types of blood vessels involved in human transportation?
Ans. The three main types of blood vessels involved in human transportation are arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart, veins carry deoxygenated blood back to the heart, and capillaries allow for the exchange of nutrients and waste products between blood and tissues.
5. How does the lymphatic system contribute to human transportation?
Ans. The lymphatic system helps with transportation in humans by collecting excess tissue fluid and returning it to the bloodstream. It also plays a role in immune function by transporting white blood cells and antibodies to fight infections.
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