20766925
Beschreibung
Karteikarten von Samira Torabi, aktualisiert more than 1 year ago
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Erstellt von Samira Torabi
vor fast 5 Jahre
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| Frage | Antworten |
| What does multicellur cell mean? | organisms that are made of more than one cell. |
| what are other multicellur? | there are; -human -bird -fish -insect |
| Why are cells specialized? | they have a special job to do in the body, & they have a structure that make them better to do their job. |
| How many cells does a human have? | They contain about 50 trillion cells and more than 200 different types of cell. |
| There are 200 types of cells. list some? | -Muscle cell -Nerve cell -Blood cell -Fat cell |
| Name 3 types of muscle in our body? | -Voluntary muscle -Involuntary muscle -Cardiac muscle |
| What is skeleton muscle used for (aka Voluntary muscle)? | These muscle are used for support and movements. |
| What do involuntary muscle do? | They are muscle that you don't need to think, to do the act. like breathing,keeping food in your guts. |
| What is Cardiac muscle? | Muscles that make up the heart, and these muscles don't get tired. |
| What is nerve cell? | Are cells,that make up your brain and send information from your brain to other parts of your body. |
| What does axon mean? | Some nerve cells have long fibers extending from the cell. |
| How long is the longest axon in a human body? | It starts from the spine till the toes, and can be more than i meter. |
| what is the job if a red blood cell and a white blood cell? | RED BLOOD CELL: they carry oxygen from your lung around your body to the cell. WHITE BLOOD CELL:They are part of the immune system & help the body to fight infections. |
| What type of fat cell do we have in our body? | We have -Brown Fat Cell -White Fat Cell |
| What do brown fat cell do and white blood cell: | BROWN FAT CELL: produce heat from the body, especially when it is cold and you are shivering. WHITE FAT CELL: used as a store of energy |
| name 3 specialized cell in a plant cell? | -Conducting cell -guard cell -root hair. |
| What does guard cell & stomata do? | GUARDS CELL: work in plants to open & close very tiny pores in the leaves. STOMATA: gasses needed by the plants enter through open stomata; and unwanted gas leave the same way. |
| What does conducting cell mean? | Conducting cells are long tiny tubes like; drinking straws. |
| What does root hair mean? | Root hair cells mean same of the cells on the outer surface of the root have root hair. It increases the area of the root for water uptake. |
| what does Photosynthetic cell mean? | Cells that are near the green part of the stem & leave. |
| What does chlorophyll mean? | It means green chemical in chloroplast that traps the sun energy for photosynthesis. |
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