Vocabulary
What protects against and defends your body from disease?
the immune system
What are your first line of defenses in your immune system?
integumentary system (skin), respiratory system, circulatory system, and digestive system.
This cell secretes antibodies into the blood?
B-cells
__________ immunity is a kind of immunity in which antibodies that were produced outside the body are introduced into the body.
Passive
T/F: Immunity means you have resistance to specific pathogens.
True
This is the word that means an area is red or swollen?
inflammation
Why do your first and second line of defenses fight any pathogen?
Because they are non-specific.
This cell produce a protein antibody that becomes part of the cell membrane?
T cells
_____________ defenses fight any type of pathogen.
Non-specific
_______-line defenses are specific to foreign substances.
Third
An _________ is a result of an overly sensitive immune response to a common antigen.
allergy
Which part is the first of the first line of defense in the immune system?
a. integumentary system (skin)
b. respiratory system
c. circulatory system
d. digestive system
a. integumentary system (skin)
Where are white blood cells formed?
bone marrow
_________ are substances on the surface of a pathogen that cause an immune response.
Antigens
Inflammation causes the area to become ________ and _________.
red, swollen
These cause an immune response?
antigens
What can antibodies do to antigens?
attach to them, making them useless
Where are B and T cells formed?
bone marrow
An overly sensitive immune response to common antigens is an ____________.
allergy
What does a vaccination place into your body, either through injection or by mouth?
it places weakened or dead pathogens.
Choose the best answer:
The immune system works to maintain your bodies ________________.
A. antigens
B. pathogens
C. homeostasis
D. skin
C. homeostasis
Some ________ blood cells can surround and destroy bacteria directly.
white
Where do B and T cells mature?
B- bone marrow
T-thymus gland
The _______________ system works to protect against and fight disease.
Immune
What is the difference between active and passive immunity?
Active: if your body produces antibodies in response to an antigen.
Passive: If antibodies that were produced outside your body are introduced into your body.