Name:__________________________ Per:_____Date:__________________ Cells ‘R’ Us Background: Multicellular organisms are made of cells that work together to perform specific life functions. Directions: 1. Match the correct word from the Word List below to drawings 1-5. 2. Color each drawing the color noted under the word. Word List: Organism Organ System Organ Tissue Cell Color to use: (purple) (blue) (green) (yellow) (blue) 1) A ______________ is the smallest unit of structure and function of a living thing 2) An example of a specialized cell is a _________________ cell. 3) A tissue is made of a group of similar_________________ working together. 4) One type of tissue is ________________________ tissue. 5) An organ is made of different _______________working together to do a specific job. 6) An example of an organ is the ____________________. 7) An organ system is made of 2 or more _________________ working together to do a specific job. 8) An example of an organ system is the ________________________ system. 9) An ___________________ is a living thing that carries out its own life activities. 10) An example of an organism is _____________________________. Fun Trivia 1) The largest organ in the human body is the _____________. 2) The The human body is comprised of approximately 100 trillion _____________. 3) The __________________ system of arteries, veins, and capillaries is about 60,000 miles long. 4) The ______________ beats more than 2.5 billion times in an average lifetime. 5) It takes about 20 seconds for a red blood __________ to circle the body. An organism is like a ____________ Directions: Directions: Create a metaphor for an organism and explain its five levels of organization. For example, if the organism is “Utah” then an organ system might be the state school system, an organ might be a school district, a tissue could be an individual school, cells could be the classrooms, and organelles could be the students. Some ideas for your organism: Major League Baseball, a farm, a factory, a country 1. The systems are like the_____________________ because ______________________________ _____________________________________________________________________________________ 2. The organs are like the_____________________ because ________________________________ _____________________________________________________________________________________ 3. The tissues are like the_____________________ because_________________________________ _____________________________________________________________________________________ 4. The cells are like the_____________________ because __________________________________ _____________________________________________________________________________________ 5. The organelles are like the_____________________ because _____________________________ _____________________________________________________________________________________ Draw a picture of your organism analogy here. Be sure to label each part with its actual name and its corresponding level in parentheses ().

Cells R Us

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