Human Organs
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Human Organs

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Human Organs Human Organs Presentation Transcript

  • Human Organs and their functions By shreyas kolte
  • Contents
    • Introduction
    • Brain and nerves (nervous system)
    • Lungs (and other parts of respiratory system)
    • Heart ( and other parts of circulatory system)
    • Stomach (and other parts of digestive system)
    • Kidneys (and other parts of excretory system)
    • Bones and muscles (skeletal and muscular system)
  • Introduction
    • this presentation gives information about some human organs.
  • Nervous system
    • The nervous system consists of the brain, the spinal cord and the nerves. the brain is attached to the nerves by the spinal cord.
    • The brain sends messages to our body through nerves. it is the computer of our body.
    • There are three main parts of the brain. They are: Cerebrum, Cerebellum and medulla oblongata.
    • There are about 50,00,000 nerves in the body!
  • Respiratory system
    • The respiratory system consists of the lungs, windpipe and the noselpipe.It is the breathing system.
    • We breathe in oxygen and leave out carbon di-oxide.
    • The left lung is smaller than the right lung.
    • oxygen is also known as living gas as for living we breathe in oxygen.
  • Circulatory system
    • The circulatory system consists of the heart, arteries and veins ( blood vessels).
    • The heart pumps blood through the blood vessels to different parts of our body.
    • The arteries carry blood from the heart to different parts of our body, while the veins different parts of our body to the heart.
    • There is about 6-7 litres of blood of blood in an adult human body.
  • Digestive system
    • The digestive system consists of the tongue, teeth, esophagus, stomach, liver, pancreas, intestines, appendix, and rectum. It digests our food.
    • the tongue has a juice called Saliva, which converts starch into sugar.
    • The teeth chew it into pieces.
    • Then through the esophagus the food goes to the stomach.
    • In the stomach it is convert it into semi-liquid form.
    • Then in the liver and pancreas, digestive juices are added to it.
    • After that they go to the intestines where the food that is to be used and the food that is to be wasted is separated.
    • Then, the food that is to be wasted goes out through the rectum. this is the process of digestion.
  • Excretory system
    • The excretory system consists of the kidneys, sweat glands and the lacrimal(tear gland).
    • It throws out the waste out of our body.eg.sweat
    • The kidneys are known as filters of our body. they filter the blood and throw the waste out of the body in the form of urine.
    • The sweat glands and the lacrimal gland throw out waste in the form of tears and sweat.
  • Skeletal and Muscular system
    • The skeletal and muscular system consists of the bones and the muscles.
    • The frame of bones is called the skeleton. there are about 206 bones in our body. they give a proper shape to our body.
    • The long, thick strings attached to our are to the bones are called muscles. there are about 605 muscles in our body. they help us to move.