BIOLOGY (LL)
BIOLOGY (LL)
5th Edition
ISBN: 9781264115495
Author: BROOKER
Publisher: MCG
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Chapter 53, Problem 2CQ
Summary Introduction

To explain:

The reason for which some people feel light headed after donating blood.

Introduction:

The donation of blood decreases the volume of the blood in the body. The body has to maintain homeostasis and detect the change in the blood volume. For the body, the blood donation is equivalent to a controlled hemorrhage.

Summary Introduction

To explain:

The factors that prevent people from fainting after they have donated their blood.

Introduction:

The blood donation decreases the volume of the blood in the body. The body has to maintain homeostasis and detect the change in the blood volume. For the body, the blood donation is equivalent to a controlled hemorrhage.

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