1839191
Description
Flashcards by greenchloe1998, updated more than 1 year ago
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Created by greenchloe1998
almost 10 years ago
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| Question | Answer |
| What is a tissue? | A tissue is a group of cells working together to do a particular job. e.g. the blood |
| What is an organ? | An organ is a group of tissues that do a particular Job together. e.g. The heart. |
| What is an organ system? | An organ system is when a group of organs all work together to do their particular job. e.g. the circulatory system. |
| Where does meiosis occur? | Within sex cells- gametes. It could be an ovum or sperm cell. |
| Describe the use of mitosis. | Mitosis is used within all cells in the body, excluding gametes, it is used for repair and growth throughout the body- producing copies of cells. |
| Describe the shape of red blood cells and why they are this shape. | Red blood cells are flat, circular and curve into the middle. This is because it enlarges the surface area of the cell and allows for more oxygen to be absorbed. |
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