Lessson+1

__** The Human Organs **__

To start of todays lesson, we are all going to write about the organs in the human body! =__** Brain **__=

How do you remember the way to your friend's house? Why do your eyes blink without you ever thinking about it? Where do dreams come from?

Watch this video on the brain- []

Your brain is in charge of these things and a lot more. In fact, your brain is the boss of your body. It runs the show and controls just about everything you do, even when you're asleep. Not bad for something that looks like a big, wrinkly, gray sponge.

Your brain has many different parts that work together. We're going to talk about these five parts, which are key players on the brain team


 * Frontal Lobe-** The frontal lobe is, not surprisingly, at the front of your brain! It organises all your thoughts, decisions and plans.


 * Parietal Lobe-** Your parietal lobe is at the top of your brain behind your frontal lobe . It tells your body what you feel with your fingertips and lets you know when you feel pain, or if something is too hot or too cold . Your parietal lobe is also involved in the control of things like calculating, writing and drawing


 * Occipital Lobe-** Your occipital lobe is at the back of your brain . It tells you what your eyes are looking at


 * Temporal Lobe-** The temporal lobe is at the side of your brain . It tells you what your ears are listening to, and what your nose is smelling.

Be Good to Your Brain
So what can you do for your brain? Plenty.
 * Eat healthy foods. They contain potassium and calcium, two minerals that are important for the nervous system.
 * Get a lot of playtime (exercise).
 * Wear a helmet when you ride your bike or play other sports that require head protection.
 * Don't drink alcohol, take drugs, or use tobacco.
 * Use your brain by doing challenging activities, such as puzzles, reading, playing music, making art, or anything else that gives your brain a workout

=__**Heart**__=

Your heart is a muscle that sits in your ribcage between your lungs. It acts as a pump, keeping you alive. It does this by continually pushing blood, carrying oxygen , to all the cells of your body through blood vessels.

Your body tells your heart how much blood to pump, depending on how much oxygen it needs at any particular time. For example, when you are asleep you don't need as much oxygen as when you are playing sport, so your heart doesn't need to pump as much blood.

=__**Lungs**__=

Your lungs are like two big balloons that sit inside your chest. They automatically inflate and deflate every time you breathe. Air in your lungs goes through bronchi, which branch into bronchioles and end in alveoli .The larger bronchi are lined with muscle, and without this muscle layer, your lungs would deflate like a balloon does when you let the air out of it.

=__**Digestive system**__=

Your digestive system is where digestion happens. The main part of it is a long tube called the alimentary canal. This goes from your mouth to your anus and is made up of your mouth, oesophagus, stomach , small intestine and large intestine.

Your teeth, tongue, salivary glands, liver , pancreas and gall bladder are all joined to your alimentary canal. They all help with digestion too.

=__**Skin**__=

Skin is what your whole body is wrapped in, but it has other important jobs too. It is made up of three separate layers. These are the epidermis, the dermis, and the hypodermis.

Log onto the computers and play a quiz on the human organs :)

http://www.funtrivia.com/trivia-quiz/ForChildren/Organ-Feud-330209.html