Question

Which of the following best illustrates homeostasis? a Most adult human beings are between 5 and 6 feet tall. b. The lungs and intestines have large surface areas for exchange. c. When the concentration of water in the blood goes up, the kidneys expel more water. d. When oxygen in the blood decreases, you may feel light-headed.

Name: Problem 3, Chapter 21: Campbell Essential Biology with Physiology
Uploaded: 2020-05-09T15:39:20-08:00
Duration: 49 s
Channel: Sunshine Brosi
Description: Which of the following best illustrates homeostasis? a Most adult human beings are between 5 and 6 feet tall. b. The lungs and intestines have large surface areas for exchange. c. When the concentration of water in the blood goes up, the kidneys expel more water. d. When oxygen in the blood decreases, you may feel light-headed.

   Which of the following best illustrates homeostasis?
a Most adult human beings are between 5 and 6 feet tall.
b. The lungs and intestines have large surface areas for exchange.
c. When the concentration of water in the blood goes up, the kidneys expel more water.
d. When oxygen in the blood decreases, you may feel light-headed.

Campbell Essential Biology with Physiology

Eric J. Simon, Jean… 6th Edition

Chapter 21, Problem 3

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Solved by Expert Sunshine Brosi

05/09/2020

Step 1

Homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is necessary for survival and functioning of the organism. Show more…

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Which of the following best illustrates homeostasis? a Most adult human beings are between 5 and 6 feet tall. b. The lungs and intestines have large surface areas for exchange. c. When the concentration of water in the blood goes up, the kidneys expel more water. d. When oxygen in the blood decreases, you may feel light-headed.

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Key Concepts

Homeostasis

Homeostasis is the process by which living organisms maintain a stable and constant internal environment despite changes in external conditions. This stability is necessary for optimal cellular and systemic function, allowing organisms to operate efficiently and survive in varying environments.

Negative Feedback Mechanisms

Negative feedback mechanisms involve responses that counteract deviations from an optimal level or set point within the body. When a change is detected—such as an increase in blood water concentration—the system activates processes that counterbalance the change (like increased water expulsion by the kidneys), thus maintaining internal equilibrium.

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