Organs

Brain

What does the brain do 

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.The brain has different Ares that join the thing together.

Eyes




How do your eyes work? When you look at an object, the light from it enters your eye through the pupil. The iris changes the size of the pupil, depending on how bright the light is.





Oesophagus


The esophagus is a muscular tube connecting the throat (pharynx) with the stomach. The esophagus is about 8 inches long that is what the water and anything you drink or eat goes down into the stomach when chewed. 




lungs




The lungs and respiratory system allow oxygen in the air to be taken into the body, while also enabling the body to get rid of carbon dioxide in the air breathed out.






Heart






The blood provides your body with the oxygen and nutrients it needs. It also carries away waste. Your heart is sort of like a pump, or two pumps in one. The right side of your heartreceives blood from the body and pumps it to the lungs.




Liver







The liver is the largest and strongest organ in the body it has about 500 roles in the human body it is roughly a triangular shape the



Stomach






The stomach secretes acid  that digest food. Ridges of muscle tissue called rugae line thestomach.





Large intestine





The major function of the large intestine is to absorb water from the remaining indigestible food matter and transmit the useless waste material from the body.





Small intestine








The duodenum is the first part of the small intestine. The main role of the duodenum is to complete the first phase of digestion. In this section of the intestine, food from the stomach is mixed with enzymes from the pancreas and bile from the gallbladder. The enzymes and bile help break down food.






Rectum







The rectum and anus are the final stages of the digestive tract. Therectum is the last straight section of the large intestine before reaching the anus. The anus is the opening at the lower end of the digestive tract that controls the expulsion of feces.




Anus



The anus is the opening where the gastrointestinal tract ends and exits the body. The anus starts at the bottom of the rectum



Pancreas




it continues breaking down food that has left the stomach. Thepancreas also produces the hormone insulin and secretes it into the bloodstream



Gall Bladder






The gallbladder is a small organ that is located in the right side of your abdomen just below your ribs and sits under the liver. It is mainly a storage organ that helps in the digestion of fat and helps to make bile more concentrated to increase its effect on fat cells.









Spleen



The spleen plays multiple supporting roles in the body. It acts as a filter for blood as part of the immune system. Old red blood cells are recycled in thespleen







Appendix







Far from being useless, the appendix may produce and protect beneficial probiotic colonies in the digestive system. According to researchers, the human digestive system is full of bacteria necessary to digest food. ... It turns out that the appendixmay play a vital function in the development of the immune system.