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By @zhenh2424

Blood Composition and Circulation

Created by ElegantCarnelian3491

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Questions and Answers

What percentage of a person's blood is occupied by cellular elements?

30%

What is the main function of blood circulation within the cardiovascular system?

To provide a vehicle for the distribution of respiratory gases, nutrients, and heat throughout the body

What is the approximate percentage of protein in blood plasma?

Why are the normal plasma concentrations of selected ions and small molecules almost the same as those in the interstitial fluid?

Due to the free exchange of water and small solutes across most blood capillaries Signup and view all the answers

What will be mainly discussed in this chapter?

The physiologic regulation of red blood cell mass and mechanisms that prevent bleeding Signup and view all the answers

What is the primary function of blood circulation within the cardiovascular system?

Transporting nutrients and metabolic waste Signup and view all the answers

Which component occupies approximately 40% of a person's blood?

Red blood cells Signup and view all the answers

What makes up approximately 92% of the weight of plasma?

Water Signup and view all the answers

Why are the normal plasma concentrations of selected ions and small molecules almost the same as those in the interstitial fluid?

Due to free exchange of water and small solutes across most blood capillaries Signup and view all the answers

What is mainly discussed in the chapter 'The Composition of Blood'?

The physiologic regulation of the red blood cell mass Signup and view all the answers

Study Notes

Blood Composition

Cellular elements occupy approximately 45% of a person's blood.

Blood Circulation Function

The primary function of blood circulation within the cardiovascular system is to transport oxygen and nutrients to tissues and remove waste products.

Blood Plasma Composition

Blood plasma is approximately 7% protein by weight.
Water makes up approximately 92% of the weight of plasma.

Plasma Concentrations

The normal plasma concentrations of selected ions and small molecules are almost the same as those in the interstitial fluid because the plasma and interstitial fluid are in equilibrium.

Chapter Overview

The chapter "The Composition of Blood" mainly discusses the composition of blood, including the percentage of cellular elements, blood plasma composition, and other components.