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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

How does the body compensate for a lower-than-normal level of oxygen in the blood?

Summary Introduction

To review:

The mechanism behind the compensation for a lower-than-normal level of oxygen in the blood by the body.

Introduction:

Red blood cells are flattened disc-like structures that can pass through the thinnest capillaries. Erythrocytes carry a red color pigment called hemoglobin that carries oxygen to different parts of the body. The mature red blood cells (RBCs) lose their nucleus and their membrane provides them essential properties such as stability and deformability, which is very important for a cell. Hemoglobin is derived from the words heme and globin. Globular is a protein, which is rooted in the heme group.

Explanation

The deficiency of oxygen in the body is recovered through a negative feedback mechanism. The negative feedback mechanism is the loop through which the temperature, blood sugar level, hormone levels, and other variables are maintained at homeostasis. Homeostasis is the best state of the body in which it can function properly.

The drop in the oxygen levels from the normal level is detected by the kidneys and a hormone known as erythropoietin is secreted by the kidneys...

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