Student Name: ________________________
SNC 3E
Unit #4 The Immune System and Human Health
Date: ________________
Science Wise: Succeeding in Today’s World
8.1 Fighting Pathogens: The Battlefield
Chapter Notes (pg.250-255)
In Chapter 7, you discovered how your body fights against
_____________. Your __________ keeps pathogens from entering your
body. ________________ and antibodies work to ____________ any
pathogens that do make it _____________ your body. But where does this
action take place? What parts of your body are ______________? There is
not just one answer to these questions. Some of the ___________ takes
place in your _____________ and some of it takes place in the parts of your
body that make up the ______________ _______________
____________.
The Parts of the Blood
You probably already know that your ____________ carries
_____________ to your cells as it _____________ through the blood
____________ of the _________________ system. Your blood also has
many other jobs, one of which is to work with the _____________
_____________. Blood is like a ___________ of different cells and
_______________ that your body needs. ____________ carries out many
functions. Your blood:
 ___________________________________________________________
___________________________________________________________
 ___________________________________________________________
___________________________________________________________
 ___________________________________________________________
 ___________________________________________________________
 ___________________________________________________________
___________________________________________________________
 ___________________________________________________________
 ___________________________________________________________
 ___________________________________________________________
These different ____________ are carried out by 4 different parts, or
________________, in the blood.
Page 1 of 5
Student Name: ________________________
SNC 3E
Unit #4 The Immune System and Human Health
Date: ________________
Science Wise: Succeeding in Today’s World
8.1 Fighting Pathogens: The Battlefield
Components of the Blood
Complete the following table on page 251 of your text
Component
Description
Plasma
Red Blood Cells
White Blood Cells
Platelets
The Immune System
Figure 8.3 shows you the _____________ and ____________ that are
part of the immune system. The immune system is made up of
_____________ ____________, ____________ ______________ and
____________, the ______________, the _____________, and the
______________. The macrophages and antibodies that protect against
_______________ are produced by these _____________ and organs. The
immune system uses _____________, a watery fluid similar to blood
_____________, to carry white blood cells and antibodies to where they are
needed. In this way, the immune system is similar to the _______________
system, which uses the blood to carry _____________ and ______________
to where they are needed. The _____________ is a large organ that
produces ____________ blood cells and _____________ foreign particles,
such as pathogens. The ____________ and ______________ ___________
Page 2 of 5
Student Name: ________________________
SNC 3E
Unit #4 The Immune System and Human Health
Date: ________________
Science Wise: Succeeding in Today’s World
8.1 Fighting Pathogens: The Battlefield
are smaller structures in the immune system that also produce white blood
cells and destroy _____________ particles.
Complete figure 8.4 below:
Page 3 of 5
Student Name: ________________________
SNC 3E
Unit #4 The Immune System and Human Health
Date: ________________
Science Wise: Succeeding in Today’s World
8.1 Fighting Pathogens: The Battlefield
Most pathogens are destroyed while they are contained by the immune
system. This is important -- ______________________________________
_____________________________________________________________
_____________________________________________________________.
Review and Apply
1. Identify whether the following statements are true or false. Correct any
false statements to make them true.
a) ___ Red blood cells are part of the human immune system.
__________________________________________________________
b) ___ Antibodies are made in your blood.
__________________________________________________________
c) ___ Plasma is a yellowish liquid that carries macrophages and
antibodies to where they are needed
__________________________________________________________
d) ___ Platelets form blood clots and seal wounds, which prevents your
blood from leaving your body.
__________________________________________________________
2. Your blood can be though of as a highway that transports materials to
and from your cells. Create a story that shows all the items that are
carried by your blood “highway” (similar to the Osmosis Jones video).
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
3. List the components of blood that are also part of the human immune
system.
_____________________________________________________________
_____________________________________________________________
Page 4 of 5
Student Name: ________________________
SNC 3E
Unit #4 The Immune System and Human Health
Date: ________________
Science Wise: Succeeding in Today’s World
8.1 Fighting Pathogens: The Battlefield
4. In 1 or 2 sentences, explain what lymph fluid is and what it does.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
5. Are white blood cells a part of the immune system or part of the blood?
Explain your answer.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
When finished the questions in this booklet, start the lab on page 254: LAB
8A: A Close Look at Blood
Page 5 of 5