Immune System Worksheet
Name
_________
1.
Date: _____________________
: causes infectious disease
a.
: protein that triggers an immune response
2.
: provides resources to grow infectious disease
3. a. Viruses have
and
.
b. Give 2 reasons why viruses are not alive:
4. How does each of these systems contribute to defending against disease?
a. skeletal system:
b. integumentary system:
c. digestive system:
d. respiratory system:
e. circulatory system:
f. lymphatic system:
5. Lymphocytes collect in these structures:
6. 1st line defense:
a. physical:
b. chemical:
7. 2nd line defense:
a.
white blood cells
b.
: eats pathogens, foreign particles, damaged cells
c.
: eats only pathogens
d.
: kills infected cells
e.
: tissue damage
f.
: protein to bring immune cells to injury site
g.
: increases phagocytosis & denatures enzymes
8. 3rd line defense:
a.
immune response: stops specific pathogen from spreading in blood
b. involves
cells
 c.
d.
: attach to & immobilize pathogen
immune response: kills specific virus-infected cells in tissues
e. involves
cells
 f.
: proteins that activate B & T cells to divide
 g.
: kills virus-infected cells
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All Rights Reserved, Printed and Bonded in Georgia
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Use the word bank to complete the flow chart.

antibody production

B cell activated

cellular

cloning of cytotoxic T lymphocyte


clumps & neutralizes pathogen

cytokines

helper T cell

humoral

cloning of plasma B cells
1 ______________
Immune Response

macrophage

memory B cells

memory T cells

T cells activated
kills virus-infected cells
Pathogen w/
2 ______________
Immune Response
Foreign Antigen
3
Viruses
&
Bacteria
Virus-Infected
Cells
4
9
5
6
7
10
11a
8a
8b
11b
12
Copyright © 2015 The Learning Shop
All Rights Reserved, Printed and Bonded in Georgia
The Learning Shop Resources.