Directions: Choose the correct word from the word bank below to complete the paragraph by filling in the blanks that make the se
ntences complete. Please make sure to change the color of the words when placed onto the lines. There are a series of _______________ in the body that regulates all of the _______________ that are necessary to sustain life. A system is a combination of many smaller _______________ that makes up a whole. A system has both a _______________ and an output. There are at least _______________ body systems in the human body. Many other organisms in the world also have these _______________ systems. Unicellular organisms that lack the complex organization of multicellular organisms use their _______________ instead of organs to accomplish all of the activities that are necessary to sustain life.
input
body
nine
organelles
activities
parts
systems
Answer: There are a series of systems in the body that regulates all of the activities that are necessary to sustain life. A system is a combination of many smaller parts that makes up a whole. A system has both a input and an output. There are at least nine body systems in the human body. Many other organisms in the world also have these body systems. Unicellular organisms that lack the complex organization of multicellular organisms use their organelles instead of organs to accomplish all of the activities that are necessary to sustain life.
Or 1. systems 2. activities 3. parts 4. input 5. nine 6. body 7. organelles
