Cells
Use these flashcards to help you study for Science Test 1A - From Single Cells to Body Systems. From Miss Bosch, Southfield Christian School
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 Quiz!
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Living things such as plants and animals. |
ORGANISMS |
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What is the basic unit that makes up all living things? |
CELLS |
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One of the simplest organisms that is made of one single cell. |
BACTERIA |
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What are the 3 basic life processes of the cell that keep organisms alive? |
1) releasing energy from food |
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These cells are long and thin and contract, or shorten, to produce movement. |
MUSCLE CELLS |
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These cells are very long and carry signals from the brain to the muscles. |
NERVE CELLS |
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Cells contain even smaller structures called __________. |
ORGANELLES |
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A thin covering that holds the parts of the cell together and encloses every cell. |
CELL MEMBRANE |
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Most cells have a ___________ which controls the cell's activities. |
NUCLEUS |
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A jellylike substance between the cell membrane and the nucleus that contains chemicals that keep a cell functioning. |
CYTOPLASM |
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Threadlike structures in the nucleus that contain information about the characteristics of the organism. |
CHROMOSOMES |
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An organelle in the cytoplasm that helps release energy from food. |
MITOCHONDRIA |
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Organelles that store food, water, and waste. |
VACUOLES |
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What two organelles are in plant cells, but not in animal cells? |
CELL WALL AND CHLOROPLASTS |
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The organelle in a plant that helps to make food. |
CHLOROPLASTS |
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______________ is when particles of a substance move from an area where there are a lot of particles to an area where there are fewer particles. |
DIFFUSION |
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The movement of water and dissolved particles through a cell membrane. |
OSMOSIS |
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_____________ allows water to flow into the roots of plants. |
OSMOSIS |
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Cells that work together to perform a specific function form a _____________. |
TISSUE |
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There are ____________ kinds of human tissue. |
FOUR |
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This kind of tissue includes the brain and the senses. |
NERVOUS TISSUE |
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This kind of tissue includes bones and tendons. |
CONNECTIVE TISSUE |
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An animal’s skin is an example of __________. |
EPITHELIAL TISSUE |
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Tissues that work together form ___________. |
ORGANS |
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Organs that work together to perform a function form a ___________. |
SYSTEM |
