Why Do We Yawn? The Real Reason Behind Yawning 😮 Introduction If You see someone yawn → you yawn.You talk about yawning → you yawn.You read this line → you…
Why Do We Get Hiccups? Explained Simply 🫁 Introduction Hiccups come suddenly — during eating, laughing, or drinking cold water.But what causes them? Let’s understand the science. 🎯 What Are…
Why Do We Sneeze? The Simple Science Explained 🧠 Introduction Sneezing is something we all do — sometimes once, sometimes multiple times in a row. But have you ever wondered…
Why Do Fingers Wrinkle in Water? 🧠 Introduction When you stay in water for too long, you notice your fingers and toes getting wrinkly. But is it because the skin…
🧬 Human Reproduction: Male & Female Reproductive System Explained (Easy Notes + Diagrams) Introduction human reproduction NOTE - Please note there may be error in diagram labelling Human beings reproduce…
Why Do We Sweat? The Complete Simple Explanation 🧠 Introduction We sweat while running, exercising, during hot weather, or even when we feel nervous.But what exactly is sweat, and why…
Hordeolum Hordeolum eye is an acute focal infection of eyelid (lash follicles), usuallycaused by Staphylococcus aureus. Risk factor: It usually occurs among children and youngadults with habitual rubbing of the…
Decubitus Ulcer Elderly or chronically ill, bedridden patients are prone todevelop decubitus ulcer (also called as bed sore or pressuresore); the most common site being near the anus or onthe…
🌍 Global Impact of Malaria Malaria remains one of the most dangerous parasitic diseases affecting humans. It is transmitted in over 108 countries, putting nearly 3 billion people at risk…
EMBOLISM Definition and TypesEmbolism is the process of partial or complete obstruction ofsome part of the cardiovascular system by any mass carriedin the circulation; the transported intravascular massdetached from its…
ELEPHANTIASIS/FILARIASIS Symptoms and Causes Causative agent: wuchereria /filarial worm (W.bancrofti and W. malayi). Wuchereria is helminths. filariasis symptoms Symptoms:•Slowly developed chronic inflammation usuallyin lymphatic vessels of lower limb.• The genital…
TRANSPORT IN PLANT 1. Transport over longer distances proceeds through the vascular system (the xylem and the phloem) and is called TRANSLOCATION. 2. Transport of water and minerals in xylem…
1. Basic unit of life -->The cell in all living organisms. 2. Unicellular organisms are capable of o (i) independent existence and o (ii) performing the essential functions of life.…
Excretion is a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys, and skin. 1. Ammonia, Urea and…
DIGESTION & ABSORPTION 1. Food --> Carbohydrates, Proteins and Fats. (Have Calorific value) • Vitamins and Minerals (Non calorific value but important) • Food is source of energy -->for growth…
EVOLUTION 1.EVOLUTIONARY BIOLOGY is the study of history of life forms on earth. 2.The universe is almost 20 billion years old. 3.The BIG BANG THEORY attempts to explain to us the origin of…