*1. What are Parasites?*Parasites are organisms that live on or inside another living organism and get their food from it. The organism they live on is called the *”host”*. A parasite harms the host but depends on it for survival.*2. Types of Parasites**A) Ectoparasites – External Parasites* These live outside the body. *Examples*: Lice, bed bugs, fleas, ticks, scabies mites They suck blood and can cause itching, allergies, and spread diseases.*B) Endoparasites – Internal Parasites* These live inside the body. *Examples*:1. *Intestinal worms*: Roundworm, Tapeworm, Pinworm2. *Protozoa*: Malaria parasite, Giardia, Amoeba3. *Bacteria and Fungi*: Some types act in a parasitic way*3. How do Parasites Spread?*1. *Contaminated food and water*: Raw meat, unwashed fruits and vegetables2. *Dirty hands*: Not washing hands after using the toilet3. *Insect bites*: Mosquitoes spread malaria, Sandflies spread Kala-azar4. *From animals*: Cats, dogs, and livestock*4. Symptoms*

– Stomach pain, diarrhea, weight loss

– Fatigue and anemia

– Itching, skin rashes

– Fever and weakness

*5. Prevention and Treatment*
*Prevention:*
1. Wash hands with soap, especially before eating
2. Drink boiled or clean water
3. Cook food thoroughly
4. Keep nails short and maintain hygiene

*Treatment:*
Doctors prescribe anti-parasitic medicines after tests, like _Albendazole, Metronidazole_. Do not take medicine without a doctor’s advice.

*6. Interesting Fact*
In nature, some parasites can even be “helpful”. For example, some bacteria in our gut help with digestion. But disease-causing parasites should always be avoided.

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Do you want this in a *school essay format*, *project format with headings*, or *short notes for exam prep*? I can adjust it for you.

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