Biology
Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
bartleby

Concept explainers

bartleby

Videos

Question
Book Icon
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.

Blurred answer
Students have asked these similar questions
Doctors strongly recommend that travelers on long airline flights stretch their legs or stand up and walk down the aisle periodically in order to prevent development of a clot in their lower legs. This is a condition known as Deep Vein Thrombosis (DVT). Explain why this condition is more likely to occur in someone who is sitting still for long periods of time such as on an airplane.
We typically hear about how deadly hypertension is, but the body has much more mechanisms for raising blood pressure than for lowering it. Why is this the case?
Women in the late nineteenth and early twentieth centuries wore whalebone corsets that severely restricted the respiratory and digestive systems. These corsets were worn to have a wasp-like waist. It was quite common for these women to faint—in fact, they had “fainting couches.” Explain the physiological reason for their fainting problems.
Knowledge Booster
Background pattern image
Biology
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY