Anatomy : Blood (C) Jkaser

Essentials of Human Anatomy & Physiology
Elaine N. Marieb
Seventh Edition

Chapter 10

Blood

Slides 10.1 – 10.31
Lecture Slides in PowerPoint by Jerry L. Cook
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Blood

 The only fluid tissue in the human body  Classified as a connective tissue
 Living cells = formed elements  Non-living matrix = plasma

Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Slide 10.2

Blood

Figure 10.1
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Slide 10.3

Physical Characteristics of Blood
 Color range Oxygen-rich blood is scarlet red Oxygen-poor blood is dull red   pH must remain between 7.35–7.45  Blood temperature is slightly higher than body temperature
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Slide 10.4

Blood Plasma
 Composed of approximately 90 percent water  Includes many dissolved substances
 Nutrients  Salts (metal ions)  Respiratory gases  Hormones  Proteins  Waste products
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Slide 10.5

Plasma Proteins

 Albumin – regulates osmotic pressure  Clotting proteins – help to stem blood loss when a blood vessel is injured  Antibodies – help protect the body from antigens

Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Slide 10.6

Formed Elements

 Erythrocytes = red blood cells  Leukocytes = white blood cells  Platelets = cell fragments

Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Slide 10.7

Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Slide 10.8

Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Slide 10.9

Erythrocytes (Red Blood Cells)
 The main function is to carry oxygen  Anatomy of circulating erythrocytes
 Biconcave disks  Essentially bags of hemoglobin  Anucleate (no nucleus)  Contain very few