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Science 8 - Cells


Capillaries Tiny blood vessels only one cell thick that connect arteries to veins
Tissue A group of similar cells working together to perform a similar function
Organelles Structures in cells that perform specific functions
Cell Membrane Controllable Gateway (determined what comes in and out of the cell)
Cell Wall Frame for a plant cell
Cytoplasm Fluid in the cell that contains nutrients
Nucleus The brain or command centre of the cell
Vacuoles Storage rooms for cells - stores food and waste
Mitochondria Kidney shape that is the power plant of the cell
Chloropalasts In plant cells only - makes sugar for plants using the light energy of the sun
Cell Individual living unit that makes up all living organisms.
Organisms Made up of two or more cells - multicellular (means more than one)
Specialized Cells Perform specific functions required for life
Uni-Cellular Organism with only one cell
Example of a uni-cellular organism Amoeba, Paramecium
Diffusion Movement of particles from an area where there is more of them to an area where there are fewer of them; High concentration to Low concentration; Liquor or Gas
Cell division All Cells produce by cell division - where the division results in two identical copies of the organism.
Red Blood Cells Carries oxygen to all cells of the body
Connective Tissue Supports and connects different parts of the body
Epithelial Tissue Skin
Nervous Tissues Brain, Spinal Cord, Nerves
Muscle tissue Allows you to move - Heart, Muscles
Characteristics of Living Things (6 points) 1. Made up of cells 2. Need energy 3. Grow and develop 4. Reproduce 5. Respond to their environment 6. Adapt to their environment
Golgi Body (or Golgi Complex) packaging plat that gets things ready to be sent out. Looks like a stack of panacakes.
Ribosome Where proteins are assembled (small round like balls)
Endoplasmic Reticulum Maze of tubes or tunnels - several in each cell
Lysosome Contain enzymes that aid in digestion of nutrients - the stomach of the cell. Looks like rods in animal cells. Not found in plant cells.
Name two things found in a plant cell that are not found in an animal cell. 1. Chloroplast 2. Cell wall
Pseudopods The bulge created by an Amoeba when it moves. These are also used to draw in food for the amoeba to eat.
Organs Group of tissues working together to perform a particular function.
Systems Group of organs that work together to perform a particular function.
Osmosis The diffusion of water through a selectively permeable membrane that moves water from high concentration to low concentration.
Created by: Mackey2002