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Definition
long branched fibres going of from the main part of the cell. Carries nerve signals to the body |
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Definition
disklike, carries oxygen in the bloodstream |
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Term
Water conducting plant cells |
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Definition
Tubelike with thick walls. Water passes through easily |
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Definition
flat and closely fit together to form a thick protective layer |
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Term
What are disadvantages to be a unicellular organism |
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Definition
1. Unicellular organisms cannot grow very large. 2. Can only live in watery, food-rich surroundings 3. Unicellular organisms cannot work as efficiently as multicellular organisms. 4. Unicellular organisms cannot obtain energy from a wide variety of food. 5. One cell has to do all the work. 6. Less functions. 7. Have shorter lifespan. |
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Term
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Definition
a group of cells having the same structure and funtion |
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Definition
a group of tissues that work together to perform a specific function |
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Definition
a collection of parts that work together in such a way that a change in one part can result in a change in another part |
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Term
List two systems in our body |
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Definition
circulatory, respiratory, digestive, excretory, nervous, endocrine, immune, integumentary, skeletal, muscle and reproductive. |
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