1. Homeostasis Maintaining internal conditions and balance.
Against…

2. A change inside the body that influences other parts of the body.
Internal stimuli
A change inside the body that influences other parts of the body.
What is meant by “internal stimuli”?
What are some things that can happen internally that would cause your body to become unbalanced?

3. The virus is the stimulus, what could be a reponse?
Stimulus: Virus

4. Response: Fever

5. Stimulus: Food poisoning
Food poisoning is the stimulus, what could be the response?

6. Response: Vomiting

7. A change outside the body that influences other parts of the body.
External Stimuli
A change outside the body that influences other parts of the body.
What is meant by “external stimuli”?
What are some things that can happen externally that would cause your body to become unbalanced?

8. Stimulus: Falling Ask: What internal condition is being maintained?
How does shivering affect body temperature?
Also, what is the function of the eyebrows and eyelashes?

9. Response: Bleeding/Clotting
Ask: What internal condition is being maintained?
How does shivering affect body temperature?
Also, what is the function of the eyebrows and eyelashes?

10. What is the stimulus? Response: Sweating
Ask: What internal condition is being maintained?
Maintains constant body temperature
What is the stimulus?
Response: Sweating

11. Response: Shivering What is the stimulus?
Ask: What internal condition is being maintained?
How does shivering affect body temperature?
Also, what is the function of the eyebrows and eyelashes?

12. All levels of organization respond to different stimuli to maintain homeostasis

13. Levels of Organization
Biome
Ecosystem
Community
Population
Organism………
What comes next?

14. How does the respiratory system maintain homeostasis within the human body?
Circulatory?
Digestive?
Organ System

15. Organ What organ system does the kidney belong to?
What internal condition is being maintained?
Kidneys maintain the level of salt, water and sugar in the blood
Organ

16. How does skin maintain homeostasis?
Tissue

17. Cell How does a blood cell maintain homeostasis?
What organ system does it belong to?
Cell

18. Let’s review:
Explain homeostasis and why it is important.