Homeostasis and Feedback Loops in Biology

Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is homeostasis?
Back
Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.
2.
FLASHCARD QUESTION
Front
What is an organ system?
Back
An organ system is a group of organs that work together to perform a specific function in the body.
3.
FLASHCARD QUESTION
Front
What is the difference between negative and positive feedback loops?
Back
Negative feedback loops reduce the output or activity of a system, while positive feedback loops enhance or increase the output.
4.
FLASHCARD QUESTION
Front
What is an organism?
Back
An organism is a living entity made up of one or more organ systems that work together to sustain life.
5.
FLASHCARD QUESTION
Front
What are sensory receptors?
Back
Sensory receptors are nerve cell endings that detect stimuli and send signals to the brain.
6.
FLASHCARD QUESTION
Front
What role do hormones play in homeostasis?
Back
Hormones are chemical messengers that help regulate various bodily functions and maintain homeostasis.
7.
FLASHCARD QUESTION
Front
What is an example of a negative feedback loop in the human body?
Back
An example of a negative feedback loop is the regulation of body temperature; when the body temperature rises, mechanisms like sweating are activated to cool it down.
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