Biology
The Alphabet of Health: Vitamins A to K
The Alphabet of Health: Vitamins A to K The Hook: Did you know that British sailors were called "Limeys" because they ate limes to prevent Scurvy (Vitamin C deficiency)? Vitamins are organic compounds required in small quantities (micronutrients), but their absence can cause massive havoc in the body. [Image of diagram classifyi…
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Biology
The Cell City: Who Does What?
The Cell City: Who Does What? The Hook: Imagine a biological cell is a bustling city. It has a Mayor, a Power Plant, Factories, and even Garbage Trucks. In Exams, you are asked to match the Organelle to its Job Title (Nickname). 1. Map of Cell City 🧠NUCLEUS The Mayor / Brain Controls all activiti…
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Biology
Arteries vs. Veins: The Body's Highways
Arteries vs. Veins: The Body's Highways The "Blue" Myth: Look at your wrist. The veins look blue. Does that mean your blood is blue? NO. Blood is always red. Oxygenated blood is Bright Red, Deoxygenated blood is Dark Red. The "Blue" color is just an optical illusion caused by how light passes through skin. Fo…
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Biology
Virus vs. Bacteria: The Disease List
Virus vs. Bacteria: The Disease List The CGL Trap: "Typhoid is caused by a virus." (FALSE). "Common Cold is caused by bacteria." (FALSE). In exams, confusing the "Causative Agent" is the easiest way to lose 2 marks. To crack Biology in SSC CGL, you don't need to be a doctor. You just need to kno…
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Biology
Vitamins: The Micro-Commanders
Vitamins: The Micro-Commanders The Scurvy Tale: In the 1700s, British sailors were dying mysteriously with bleeding gums and loose teeth. It wasn't a virus; it was a lack of lemons. They discovered that food contains invisible "vital amines" (Vitamins) necessary for life. Vitamins are micronutrients . You don't need them in k…
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