HUMAN BIOLOGY
HUMAN BIOLOGY
16th Edition
ISBN: 9781260233032
Author: Mader
Publisher: RENT MCG
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Chapter 5.4, Problem 3CYP
Summary Introduction

To determine:

The reason for the presence of valves in the veins.

Introduction:

The human circulatory is composed of cardiovascular and lymphatic systems. The blood vessels help in transporting and circulating the blood throughout the body. The arteries carry the oxygenated blood, and the veins carry deoxygenated blood. The capillaries are the thin branches of the blood vessels that perform the exchange of materials between the tissues and cells.

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HUMAN BIOLOGY

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