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The Amazing Human Body: Living Systems at Work

#HumanBody #BodySystems #ScienceForTweens #Physiology #WordUp #S2C

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Your body is one of the most complex SYSTEMS in the natural world. It is made of trillions of tiny CELLS, each one doing a specific job to keep you alive. Scientists estimate that the average human body contains about 37 trillion cells — all working together like a massive, organized city. These cells group together to form TISSUES, tissues form ORGANS, and organs work together in NETWORKS called organ systems. Every breath you take, every step you walk, and every thought you have is the result of these systems running smoothly at the same time. Studying the human body is really studying one of nature's most impressive pieces of living ENGINEERING.

Cells group together to form _____, which then build organs.
TISSUES
Organs working together in networks are called organ _____.
SYSTEMS
Name something the text tells us about cells in the human body.
TRILLIONS EXIST / EACH DOES A SPECIFIC JOB / THEY GROUP TO FORM TISSUES
The text describes the human body as one of nature's most impressive pieces of living _____.
ENGINEERING
Name two things the text says happen as a result of body systems running smoothly.
BREATHING / WALKING / THINKING
The study of the structure of the human body is called _____.
ANATOMY

Writing Prompt

Write a short paragraph explaining how your body's cells, tissues, organs, and organ systems work together like a city, and include one example of how you experience these systems working in your daily life (such as breathing, moving, or thinking).

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Section 8

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