Homeostasis in the Human Body
Explore the concept of homeostasis and how the human body maintains a stable internal environment in this Grade 7 science worksheet.
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Homeostasis: Maintaining Balance
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of homeostasis.
1. What is the primary definition of homeostasis?
The process of getting energy from food.
The ability of an organism to maintain a stable internal environment.
The growth and development of an organism.
The process of reproduction.
2. Which of the following is an example of homeostasis in action?
A plant growing towards sunlight.
Your body sweating to cool down on a hot day.
A bird migrating south for the winter.
A chameleon changing its skin color.
3. The human body maintains a relatively constant internal even when the external environment changes.
4. When your body temperature rises, your glands produce to help cool you down.
5. The regulation of blood sugar levels is an example of control.
6. Homeostasis only refers to the regulation of body temperature.
True
False
7. Shivering is a way the body generates heat to maintain its internal temperature.
True
False
8. Describe one way your body maintains water balance.
9. Explain why maintaining a stable internal temperature is crucial for the proper functioning of your body's enzymes.
10. Observe the image below. In your own words, describe how the systems shown contribute to maintaining homeostasis in the human body.
