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What I learned in khan academy is in my notes. Cell theory is pretty interesting.

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These are the notes I took for cell theory.
Khan academy is a website that explains subjects like science or math. Cells are our units of our life’s, if we didn’t have cells we would be non living. Cells are made of water, inorganic icons, and carbons. Every animal and human are made of cells. Humans have 37trillion cells. Cells work by having nutrients, and protecting us from infections or diseases. Cells also live in trees, flowers, grass, and other plants.

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The living and non living. What is the difference?First the living things are made of cells, the living cells are a live some example of living cells are animals,plants humans, everything is a live.One fact is the humans have 37 trillion of living cells. Other thing is living cells come from other cell.So that means the cells are not living are not alive.Are objects not alive.

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Khan Academy shows videos and tell you  how cells work and they give you these paragraphs to read about cells and you learn a lot from them! They give clear explanations and you can understand well it teaches people a lot from just one video. And then after that they make you do a quiz and the questions are pretty simple. Anyways what I learned is how cells were seen and how they made microscopes and different microscopes.  If anything i was taught that there a 37 trillion cells in your body! And the first person to look into cells was Robert Hooke. He published “micrographia” in 1665, turns out he was a pretty good artist and drew cells to show people how they looked like and what they were. But an interesting thing about Robert Hooke was that he only looked into dead cells he never looked into any alive cells. And people weren’t sure but life started appearing about 3.5 billion years ago, well closer to 4 billion. Then someone else came in he was inspired by Robert Hooke his name was Antoine van Leeuwenhoek. He heard about Robert Hooke and was inspired so he started making lenses. Then schleidn and Schwann made the cell theory. They made 3 reasons 1. All cells are composed of 1 or more cells . 2. Cells are the basic unit of life. 3.all cells come from other cells. That the cell theory. Then here come virchow and remalk. Relamk is the one who said what if cells come from other cells . But then virchow took his credit and plagiarized remalks work! So yeah i learned all that from just one video. So khan academy teaches on the subject your learning about and teaches you about what you need to learn by jusat watching a video! It’s very simple and you learn a lot from one video. But i do have some questions . How did they investigate cells? Why did Isaac Newton burn the only picture of Robert Hooke? Why did Robert Hooke only look at dead cells? Why do we need cells ?Why was Antoine van Leeuwenhoek so inspired? Did Antoine van Leeuwenhoek help to find out what cells are? How did they make the cell theory? Why did virchow plagiarize remlaks credit ? How do they know when cells first appeared?

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In the video, we learned that the average human has about 37 trillion cells. We also learned that the first person to see (dead) cells was Robert Hooke. It is said that Isaac newton burned an original painting of Robert Hooke. Someone named Antoine van Leeuwenhoek was inspired to do research because of Robert and Discovered living cells. The modern cell theory was made by Scheiden and Schwann (all life is made of 1 or more cells, and cells are the basic units of life) A person named Remak was the creator of the third line in the modern cell theory (all cells come from other cells), but his work got plagiarized by a guy named Vurchow, so most credit goes to Remak.

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Khan academy has lots of videos to help you learn about different things digitally and physically. When i watched the video i learned that humans have 37 trillion LIVE cells throughout their body.Robert Hooke was the first person to ever see dead cells from a human body. Micrographia was also found by Robert Hooke in 1669. Cells found their name because  monks you’ll be put into cells, and because lots of cells together, it looks like monk cells all grouped together and that’s where they got their name. Isaac newton a famous scientist, found the only picture of Robert Hooke and burned it in a fire.. all life starts with one cell and that cell multiplies. All cells come from other cells

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Khan Academy is a website full of different courses that teach us about incredible things such as math and science. In the video that we watched we learned about how Robert Hooke was the first to discover cells using a microscope although all of the cells he observed were dead. Hooke called them cells because under a microscope they looked like cells from a monastery. We also learned that all living things such as plants and animals are made of one or more cells and the human body is comprised of about thirty-seven trillion of them. Remak discovered that all cells come from other cells and we think that the first cells appeared around four point five billion years ago but we are not one hundred percent certain.

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The one thing that defines a living thing is cells. A living thing is something that is made of cells, and a nonliving thing doesn't have cells. So if you see a thing that has cells, then its living. If it’s made of atoms, then its nonliving.

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I learned that we have 37 trillion cells in our body and also the person who saw the cells first had a big telescope and his name was Robert  Hooke. Then he publish a news that was named microscope  but he only saw dead cells so they did not move as much as life cells. Then somebody tried to steal his idea to get all the credit and his name was Isaac.

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The khan academy videos and quizzes can help you learn how there are 37 trillion cells in the body to teach people about the cells. I learned that cells were named cells because they looked like monks trapped in cells.I think it’s fascinating how Robert Hooke was the first to see cells ever the telescope he used was so cool. I also learned that he only saw dead cells and not live cells. I do wonder if cells can make sounds and what would they would sound like if they did make sound.I also learned that 1. All life is composed with one cell or more cells
2. Cell is basic unit of life
3. All cells from other cells
Those three notes helped me understand cells so much easier.

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I learned that Robert Hooke discovered cells and named them “cells” because when he saw cells in a cork he noticed “Hey, these little spaces look like munk homes called cells.” He published Micrographia, explaining his discovery of cells.  I also learned that there was so many people who learned different thing about cells, like somebody took a look at cells just like Robert Hooke because he wanted to discover something new about cells. He did find out something new when he looked in his better version of a microscope that zooms in closer than Hookes. He found something called sperm that was a living thing on the cell. Some other two guys made a discovery when they found out cells were in animals like humans too. Robert Humak realized that cells come from other cells, but somebody plagiarized his idea, and he took all the credit from him.

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My notes in a way that you can actually understand:

Robert Hooke was the first person to have seen cells, he published sketches and notes. If he had not done this he would not have been given credit due to Issac Newton burned Robert Hooke’s evidence. Though Robert Hooke had been the first person to look at cells he only observed dead cells.
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Two people developed the modern cell theory and their names were Schlseiden and Schwann. They created 2 of 3 very impactful notes:

1) All life is composed from 1 or more cells

2) Cells are the basic unit of life
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The last note was made by 2 other people, but only one gets the credit because one of them was a plagiarist. Their names were Remake and Virchow (Virchow was the plagiarist). The last note was:

3) All cells come from other cells

Remake and Virchow believe that life began 3.5 M.Y.A. from a bubble.
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Questions:

Why did Newton burn Robert Hooke’s evidence?
How was the bubble made?
Why did Virchow copy someone else’s work?

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Khan Academy is a website were you learn lots, by watching videos and answer different questions about different things. I learned that thanks to Robert Hooke we know that there are about 37 trillion cells in the body, and that he was the first to see cells by using an early microscope. Also, Antoine was the first to observe live cells using a advanced microscope he made! After, Schwan, and Schneider came up with the “modern cell theory” by studying plant and animals. In the mid 1800, remak discovered that all cells come fro different cells, but some of the credit went to virchow because he plagiarized remak’s work.

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These are note of what cells are because they are in everyone and they are in trees,flowers,frogs,bees, ants, and in everything else.

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Antonie Van Leeuwenhoek made lenses for people who can’t see things far away.

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In the videos and articles I have learned that humans have more than 37 trillion cells in there body. I also found out that cells are the most basic form of life! The main contributor was Robert Hooke. I also learned that he published the book MICROGHRAPHIA showing his discovery’s of dead cork cells with a very under developed microscope. A while after Antoine van Leeuwenhoek found the beginning of living cells. Issac Newton BURNED the last phot/painting of Robert Hooke! We now now that the basic forms of life are more specifically Bactria cells. “All life is composed of 1 or more cells.
“All cells come from other cells.

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So basically some guys created a theory on cells and everyone thought it was cool so they continued it.

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Khan Academy teaches students by uses different techniques in videos. What this video taught me that Robert Hooke discovered that there are over 37 trillion cells in the human body. He studies cells by using one of the first microscopes. Hooke only studied dead cells. Antonie Van Leevwenhoek studied living animal cells instead of dead cells like Hooke did. Schwann and Schieder came up with a hypothesis that all life is composed of cells. Do you know the guy that discovered gravity? Isaac Newton was his name. Newton burned the last photograph of Hooke because he wanted to get the credit for being the first one to study cells, and take all the credit. Speaking of taking all the credit, Virchow plagiarized Remak, so Reamk gets all of the credit instead of Virchow getting half of the credit.

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			Caleb Kumar period 2			Khan Academy uses videos of subjects to teach people about the world and in the video that they showcase I learned that there is 37 trillion cells in the human and also Robert hook was the first person to made The first microscope. Another fact is that Issac Newton burned the only photo that we had of Robert hook. My last fact is that Robert hook only look at dead cells and not alive cells like we do to day.

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			Caleb Kumar period 2			Khan Academy uses videos of subjects to teach people about the world and in the video that they showcase I learned that there is 37 trillion cells in the human and also Robert hook was the first person to made The first microscope. Another fact is that Issac Newton burned the only photo that we had of Robert hook. My last fact is that Robert hook only look at dead cells and not alive cells like we do to day.

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I think khan academy is a wonderful place that teaches you certain and wide variety of skills. In the video we watched today I learned about how cells where discovered and how they were found. I learned that every life form has to have more than one cell to be considered a life form and how all cells come from other cells. Every human being has 37 trillion cells in there body and that humans only started looking at alive cells since the modern 1800. Leeuwenhoek was the first person to see alive cells unlike Robert hook who only looked at dead cells though he made a book on them and published it in 1665. Throughout the video I had two questions, why can there only be more than one cell per organism and how do cells reproduce.

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Khan academy uses videos of subjects to teach people what subjects are and how to do them. In this video I learned that in the human body there is 37 trillion sells and that Robert Hooke was the first to see cells using an early microscope although he only saw dead cells. After that he published micrographia. Two fun facts cells are named after monks rooms and Isaac newton burned the only photo/picture of Robert Hooke. Antoine(very long name) was the first to observe living cells like protist/animal cells and sperm by making. A more powerful lens. Schwan and Schneider then came up with the theories that all life is made of cells, all cells are the basic units of life, and all cells come from other cells. Also Remak was plagiarized by Virchow. About theory on all cells come from other cells.

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1. Watch the Khan Academy featured on my post. 2. Type in your full name and period #. 3. Type an explanation of the website and what you learned. 4. Post it.

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1. Watch the Khan Academy featured on my post. 2. Type in your full name and period #. 3. Type an explanation of the website and what you learned. 4. Post it.

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Cell theory (video) | Introduction to cells | Khan Academy

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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.