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| Living organisms are made of tiny building blocks called cells, Some organisms are a single cell, others are multi cellular (lots of cells) | Amoeba is a single cell organism. Animal muscle is multicellular. |
| Organelles. Cells have tiny structures called organelles. |
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| Animal Cell, Organelles in an animal cell include, Nucleus, Cytoplasm and Cell membrane. |
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| Nucleus. Contains genetic materials (DNA), controls the cells activities, has it's own cell membrane |
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| Cell Membrane. This holds the cell structure together, and lets substances in and out. |
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| Cytoplasm, Gel like substance that contains enzymes, these enzymes control the chemical reactions of the cell in the cytoplasm. |
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| Plant cells. Usually have the same organelles as an animal cell, plus one or two extras. |
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| In addition to a nucleus, cell membrane and cytoplasm. Plant cells will have chloroplasts, cell wall, and a vacuole. |
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| Chloroplasts. Contain chlorophyll, which is green in colour and used in photosynthesis to produce food for the plant cells. |
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| Cell Wall. a cellulose structure that surrounds the cell membrane to support and strengthen the cell. |
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| Vacuole. large organelle made of sugars and salts called cell sap, helps to keep the shape of the cell. |
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| Specialised Cells. Cells come in a variety of shapes and sizes, they will be adapted for specific or specialised functions. |
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| Red Blood Cells. Are shaped specifically to give them a large surface area, and adapted to carry more oxygen. |
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| Whit blood cells. are specialised to help defend the body against infections. |
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| Tissue. Tissues are groups of similar cells, working together for a specific function | Xylem tissue in plants, transports water and minerals to the plant, Phloem tissue transports amino acids and sucrose in plants. Tissue can contain more than one cell type. |
| Organs. Organs are a group of tissues that work together to perform a specific function. The lungs are an example of an organ in humans. Leaves are an organ of a plant. |
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| Organ Systems. Organs work together to form organ systems. The digestive system is an organ system made up of: Stomach, Intestine, Pancreas, and Liver. |
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