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Reproductive and Immune
Systems
different
•The reproductive system is different from the
other systems because it is made up of
________ organs in males and females.
Meaning: Male reproductive organs and female
reproductive organs are not the same.
Do males and females have different digestive
organs? Skeletal systems? Nervous systems?
reproductive system
• the organ system that enables humans and
other animals to make more organisms like
themselves
sperm
• male sex cells
eggs
• female sex cells
fertilization
• when the sperm and the egg join together;
required for sexual reproduction to take place
testes (singular—testis or testicle)
the main reproductive organs in males; where
sperm is produced
hormone
• chemical messengers that control body
functions such as growth, development, and
metabolism
ovaries
the main reproductive organs in females; where
eggs are produced
zygote
• a new cell formed when an egg cell is
fertilized; how all multicellular organisms
begin life
placenta
79. a fluid filled organ through which materials
are exchanged between the mother and
developing offspring
(the embryo is connected to the placenta by the
umbilical cord)
through the blood and blood vessels
• How does the fetus get oxygen and nutrients
and get rid of wastes?
blood
endocrine
• Hormones are carried through the body in the
_________ .
• They are produced by the _____ system.
Reproductive System
Name the organ system that:
• produces sperm cells in males and egg cells in
females
Reproductive System
Which system includes the following organs?
• testes (males)
• ovaries, fallopian tubes, and uterus (female)
Immune System
Name the organ system that:
• helps protect the body from disease
Immune System
Which system includes the following organs?
• white blood cells
Endocrine System
Name the organ system that:
• controls growth, development, and
metabolism
Endocrine System
Which system includes the following organs?
• glands
• hormones
microorganisms viruses
• Most diseases are caused by _________ and
___________.
• http://learn.genetics.utah.edu/content/cells/s
cale/
immune system
• a network of cells, tissues, and organs that
work together to protect the body.
pathogens
• disease-causing agents
antibody
• a protein that is made by the body to kill a
specific pathogen
immunity
• the body’s ability to protect itself from disease
vaccine
• contains a weakened or deactivated form of a
pathogen;
• it causes an immune response so that your
body will be ready immediately if you are
exposed to the pathogen later
skin
tears
cilia
stomach acid
mucus
•The first line of defense works to
keep pathogens out of your body.
•First line of defense structures: _____ (the
main structure), sweat, _____ ,_____, _____,
and _____
•The salt in sweat helps to
kill any bacteria that may be on your skin.
•The salt in tears helps to
slow the growth of bacteria.
•Nose and nasal passages are covered with
mucus and cilia to trap pathogens.
phagocytes
•The second line of defense works to
detect and destroy pathogens that enter your
body.
•Second line of defense structures: white blood
cells called ___________________
• The second and third lines of defense are
called the immune response.
•Third line of defense structures: phagocytes
and white blood cells called
T-cells (which attack infected body cells)
and B-cells (make antibodies).
active
after
respond
• _______ immunity develops ______ exposure
to a pathogen, so your body can ________
quickly
passive
antibodies
• __________ immunity occurs when
__________ made by one organism are
transferred to another organism (before birth)