Chapter 21: blood



Structure and Function of the

Workbook ExamS
1. Blood
2. Plasma

Workbook Video & Exam
1. Fresh Blood Microscopic Observation 
(This workbook video (no audio) shows fresh blood seen under oil immersion (1,000x). RBCs and WBCs are observed.)

Additional Links - Videos and Animations
Blood Flow Theory  (This short video discusses how blood flows in the body.  Posted by
Blood - Four Major Components  (This short video discusses the four major components of blood.  Posted by

Formed elements of blood

Workbook ExamS
1. Formed Elements
2. Erythrocytes and Hemoglobin
3. Leukocytes and Platelets
4. Differential Count

Workbook Videos & Exams
. Bone Marrow Introduction & Red Bone Marrow
(This workbook video (no audio) shows the location of bone marrow. Includes an overview of red bone marrow in epiphyseal spongy bone and yellow marrow in shaft, or diaphysis of a long bone.)
2. Yellow Bone Marrow 
(This workbook video (no audio) shows yellow bone marrow located in shaft, or diaphysis, of long bone.)
3. Bone Marrow Smear 
(This workbook video (no audio) shows a stained smear of red bone marrow obtained by marrow aspiration.)
4. Sickle Cell Anemia  (This workbook video (no audio) shows a stained smear of sickly cell anemia.)
5. Differential WBC 
(This workbook video (no audio) provides an introduction to the differential count.  First the student is introduced to five different types of WBCs.  Then, the student "performs" a differential count by starting with the WBC identified as cell #1. The student should then tabulate the number of each different type of WBC (#1 - #35) and determine the percentages for each cell type.)

Additional Links - Videos and Animations
1. Observation of Blood Smear (Peripheral Blood with Wright's Stain) 
(Dr. Minarcik's (a histopathologist) video on the normal peripheral blood smear.  Best of YouTube: posted by WashingtonDeceit)
2. Bone Marrow: Observation of Cross Section of a Long Bone 
(Dr. Minarcik's (a histopathologist) video on the normal structure of bone marrow.  Best of YouTube: posted by WashingtonDeceit)
3. Bone Marrow Aspiration 
(Medical Procedure - Viewer Discretion Advised. A short film showing the Bone Marrow Aspiration procedure. It was written and produced by Doctor Sue Pavord, University of Leicester.)
4. Blood Composition (leukocytes attack) Ataque de un leucocito  (A short video showing phagocytosis of a bacterium. "The main function of the leukocytes is to provide a defense against "foreign" material (infectious agents, foreign bodies, abnormal proteins"). Posted on YouTube by zergocascar.
5. White Blood Cell Chases Bacteria  (A short video (no audio) which according to posted information "is a neutrophil chasing Staphylococcus aureus by David Rogers, Vanderbilt University." Posted on YouTube by aa1usa.


Workbook ExamS
1. ABO Blood Groups - Typing
2. Rh Blood Typing and Hemolytic Disease of the Newborn

Workbook Videos & Exams
1.  Blood Typing Video
(This workbook video (no audio) shows the basic classroom procedure for blood typing and provides the results of the procedure.)
2.  Blood Typing Video Quiz
(This workbook video (no audio) uses the basic classroom blood typing procedure for blood typing. The results are interpreted by the student.)

Additional Links - Videos and Animations
1. Blood Transfusions 
(This video (100 Greatest Discoveries: Blood Transfusion) explores the basics concepts of blood transfusions.  Posted by
2. Blood Typing Game
 (This interactive game matches the correct blood type with the patient. Posted by
3. All About Rh Factor (Pregnancy Center)  (Link to a text document on the Rh Factor and Rh Disease.  Posted by Discovery Health)
4.Older Blood Boosts Chances of Infection in Transfusion Patients
(Link to a text document on the utilization of older blood in transfusions. Posted by Discovery Health News)


Additional Link - Animation
1. Hemostasis  
(This step-by-step animation covers the basic mechanism of "stoppage of blood flow, or hemostasis ."  Posted by McGraw-Hill (


workbook Terminology Exam
1. Blood 
(This interactive exam allows the student to match terms with definitions.  Clicking of the term takes the student to where a definition (and perhaps a pronunciation) is provided. Additional links to other informative sites are available at the top of the site's webpage.