5th Grade Science
Help!
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| what is a cell | the building block of all living things
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| Cells | the building blocks of living things.
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| cell membrane | covers and protects the cell. It lets things pass into and out of the cell. This can be compared to your skin.
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| nucleus | is the control center of the cell. It contains DNA.
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| vacuole | acts like a stomach storing and breaking down materials.
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| mitochondria | produces energy for the cell
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| cellular respiration | the process by which cells get their energy.
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| How does cell respiration work | cells take in oxygen and food (like sugar) and release carbon dioxide and water.
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| Why are cell different shapes and sizes? | because they have different jobs to do.
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| Red blood cells | small, smooth, flexible saucers because they need to move through blood vessels.
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| Nerve cells | like the cells in your brain, have branch like structures so they can quickly send messages to all the parts of the body.
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| skin cells | Flat cells that can be layered like shingles on a roof.
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| Lung Cells | Cells with hair-like structures. The hairs help keep out dirt and bacteria.
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| tissue | a group of cells that have the same job
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| Organs | Tissues group together to form these.
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| Organ system | Organs group together to form these.
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| Organism | Organ systems form these.
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| Do Plants have tissues and organs too? | Yes
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| A leaf | an example of a plant organ.
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| How do cells work together to form an organism? | Cell->tissue->organ->organ system->organism
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| organ system | a group of organs working together to carry out life processes.
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| muscle system | works with the skeletal system to move your body. The muscular system also works with your digestive system to help move food through the stomach and intestines.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
czeponis
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