Name: ______________________________

HUMAN BLOOD: MICROVIEWER
(Answer all questions in your notes. Drawings should be quick sketches.)

Introduction

  1. How much blood is in the body?

  2. How many miles of blood vessels in the body?

  3. List 3 substances that the blood delivers.

Slide 1 - Human Blood Smear

  1. List as many components of blood in this slide as you can.

  2. Describe the appearance and composition of plasma.

  3. What is the function of globulins?

  4. What is the function of albumins?

  5. What part of blood plasma is needed for clotting of blood?

  6. Why does blood taste salty?

Slide 2 - Red Corpuscles

  1. Draw a red corpuscle.

  2. Is a nucleus present in the corpuscle?

  3. What is the approximate lifespan?

  4. Name the red component in the RBC.

  5. What is the overall shape of the RBC? Why is it this shape?

Slide 3 - White Corpuscles

  1. What other name is given to white corpuscles (WBC's)?

  2. Is a nucleus present?

  3. List functions of white corpuscles.

  4. Which WBC is the most ferocious eater of bacteria?

  5. Which WBC produces antibodies?

Slide 4 - Phagocytosis

  1. A phagocyte is a "swallowing" cell. What has the leucocyte on the left swallowed?

  2. What process in the cell will break "B" apart?

  3. What parts of leucocytes help them move and engulf foreign particles?

Slide 5 - Blood Type B

  1. Why have type B red corpuscles clumped together when mixed with type A plasma?

  2. What are the four major blood types?

Slide 6 - Fibrin

  1. What is the purpose of a clot?

  2. What enzymes do platelets release?

  3. What is the function of THROMBOPLASTIN?

  4. What is the function of active THROMBIN?

  5. What is FIBRINOGEN converted into?

  6. What is the function of FIBRIN?

  7. What is the hereditary disease that prevents proper clotting of blood?

Slide 7 - Sickle Cells

  1. Draw a healthy red blood cell and an abnormal (sickle) cell. Label them.

  2. What causes sickle cells?

  3. What are the effects of sickle cells?

Slide 8 - Infected Blood

  1. Draw a red blood cell and the trypanosome protozoa. Label them.

  2. What disease are trypanosome protozoa responsible for?

  3. What insect spreads this disease?