Human excretion and water are important topics. Human excretion is the process by which the body removes waste, with key parts being the urinary system, intestines, lungs and skin. Water, or H2O, makes up 70% of the human body and is vital for life. It is also important for excretion, as sweat and urine contain water. The document discusses human excretion, water, and how water aids the excretion process.

1. Human excretionand H2OBy: Josué Nicolás Díaz Álvarez

2. IndexIntroductionHuman excretion prior knowledgeWhat is human excretion?H2O prior knowledgeWhat is H2O?How can H2O help human excretion?BibliographyConclusion

3. IntroductionIn this presentation we are going to learn what is human excretion and what is water, and also we are going to learn how does water affects human excretion. I hope you like this presentation, learn, but the most important is that you enjoy it and you understand everything.

4. Human excretionprior knowledgeIt takes out wastes and bad nutrients that the body doesn't need.It is very important for the human body.Human ExcretionHuman excretion could be related to animal excretion because animals also get rid of their wastes by excretion.

5. Whatishumanexcretion?Human excretion is the process in by wich humans get rid of their wastes. Human excretion has many parts. The most important are: the urinary system, the intestines, the lungs, and the skin. The urinary system has 4 parts: the kidneys, the ureter, bladder and the urethra. The lungs waste is carbon dioxide and the skin waste is sweat.

6. Whatis H2O?Prior KnowledgeH2O is very important for living things.Without water living things could not live. We couldn't live!!!H2OH2O is an abbreviation of water.

7. What is H2O?H2O is a chemical substance that is composed of hydrogen and oxygen and is vital for all known forms of life. Water is very important for every living things, in my concept water is a refresh substance. It cleans and every day we use it. Water is one of the most important thing for us to live.

8. How can H2O help human excretion?H2O can be very important for excretion because every waste we expulse has water like: the sweat has a percentage of water, the urine also, and many other wastes we expulse. Water is very important for excretion.

9. BibliographyThe information I got it from the pages of Google. And also I used information from aula virtual. My dad helped me a little bit because he is a doctor.The images I got them from google images.

10. ConclusionIn conclusion the water is very important for excretion. It is also very important for living. Excretion is also very important and all living things have excretion. So water is very important for our body because 70% of our body is water. I hope you liked this presentation and that you enjoy it.