Asslam Alikum everyone! ⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫ Sexual Reproduction involves the production of gametes (sperms and egg cells) and their fusion. 🕳️▪️I.e fertilization. Gametes are produced in special structures

Asslam Alikum everyone! 🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️ ⚫Immunity ▪️▪️▪️▪️▪️▪️▪️▪️▪️ pathogens are everywhere around us all the time . However,we do not get disease all the time.

Useful Roles of Microorganisms in everyday life . A large number of Microorganisms are Very useful. 1 .... Some fungi called mushrooms are used as ingredients in recipes.They add flavor to meals . Edible

Peripheral Nervous System.. Peripheral Nervous System.(PNS) Consists of a network of nervous which spread in the body to connect all the body parts to the central nervous system.(brain and spinal cord).

Renewable energy sources are available free of cost and they don't produce pollution while using them for generating electricity.Solar energy is an over lasting source of energy. Plants use it to make

The sun is the biggest source of energy.We also produce energy from flowing water,wind, plant coal ,crude oil, natural gas, uranium,etc. Renewable sources of Energy The sources of energy that will not

Deforestation means clearing of forests by natural causes or Humans. Large areas of forests have been cleaned for agriculture, factories ,roads, rail tracks and mining. Humans cut tree for making structures

Chromatography is a technique used for separation of coloured components of a mixture. In this method different solutes are dissolved in the same solvent as components of the mixture. When the solution

A wave is a disturbance in the medium which causes the particles of the medium to undergo vibratory motion about their mean position in equal intervals of time . There are two categories of waves Mechanical

Vacuole Cytoplasm of a plant cell contains a large organelles filled with water ,food molecules and many other substances called vacuole. It helps to maintain the shape of plant cell. It helps the plants

⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️ Lung Cancer is a disease of uncontrolled cell division in the tissues of the lung. The cells continue to divide without any control

Mitochondria are rod shaped and double membranous cell organelles present in the cytoplasm of a cell. The inner membrane in mitochondria has finger like structure called cristae. Mitochondria are known

⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️ The food we eat mostly consists of large and complex molecules of carbohydrates,fats , proteins etc. The complex food molecules

Every object in this universe attracts every other object towards it's center. The force of attraction between objects is called Masses is called gravitational force. The effect of the gravitational force

Toothpaste is a semi_solid paste like material used for cleaning and polishing teeth. 🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️ Raw material as ingredients

What is a food chain. 🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️ A food chain shows how energy passes from one living things to another in a habitat. It always begins with a producer. The energy

Asslam Alikum! Everyone today we learn Food chain. What is a food chain.? 🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️ A food chain shows how energy passes from one living things to another in

⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫▪️▪️▪️▪️▪️▪️▪️▪️▪️▪️▪️▪️▪️▪️▪️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️ A stimulus is something in the environment that causes a living organism to respond.living organisms have the

The Earth's Moon In space , the force of gravity causes jects to orbit larger objects . Any object that orbits another object is called a satellite. The earth is a satellite of the sun .The Earth's moon

🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️🕳️ Star🕳️🕳️ A typical star consists of hydrogen gas. Huge gravitational forces squeezythe atoms together to form helium along with the release of tremendous