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Our body is a pretty fantastic feat of engineering. But how does it work? How do all of the different components come together to keep us alive, keep us functioning and achieving our goals? In this video we are going to look at the...\n
Our body is a pretty fantastic feat of engineering. But how does it work? How do all of the different components come together to keep us alive, keep us functioning and achieving our goals? In this video we are going to look at the levels of organisation in organisms, from smaller than cells to bigger than organs. In unicellular organisms, the single cells performs all life functions. However, multicellular organisms have various levels of organisation within them. All living things are made up of cells; this is what distinguishes them as living. Cells are the building blocks of life. Inside cells are little organelles. These are specialised structures that carry out particular jobs or functions. Like in this animal cell, the mitochondria provides energy to the cell. And the ribosomes are involved in protein synthesis. Cells themselves are the basic structures that make up living organisms. In multicellular organisms, they are differentiated to carry out different roles. Here are a few specialised human cells... Groups of cells then function together to form tissues. In humans, we have 4 main types of tissue. And in plants… the xylem and phloem are examples of plant tissues. When there are layers of tissue working together, they form an organ. Organs are specialised to carry out specific life processes. All animals contain organs. In fact, mammals have five vital organs that they cannot live without: kidneys, lungs, liver, heart, and brain. But plants have organs too… These specialised organs work together in organ systems, performing body functions. Organ systems keep the body regulated and in a stable state. The human body has 11 organ systems. Organisms are entire living things that can carry out all basic life processes. Multicellular organisms are made up of organ systems, but unicellular organisms such as bacteria or protist are made up of one cell. So there are the levels of organisation in multicellular organisms. Organelles → cells → tissues → organs → organ systems → organisms SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT. VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you. These videos can be used in a flipped classroom model or as a revision aid. Find all of our Chemistry videos here Find all of our Biology videos here Find all of our Maths videos here Twitter Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org Follow us Friend us This Open Educational Resource is free of charge, under a Creative Commons License: Attribution-NonCommercial CC BY-NC ( View License Deed ). You are allowed to download the video for nonprofit, educational use. If you would like to modify the video, please contact us: info@fuseschool.org\n
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