Download Roll - Net Start Class

Circulatory System
• Carries substances through
the body: oxygen, nutrients,
hormones, wastes, and
water.
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Connection:
1 or 2
Respiratory
System
O2 is absorbed and CO2 is released as
waste as blood passes through the
lungs.
3 or 4
Immune
System
White blood cells of the immune
system are transported to infection
sites via the circulatory system.
5 or 6
Excretory
System
Wastes produced in cells throughout
the body and transported to the
excretory system via the circulatory
system.
Digestive System
• Breaks down food for
nutrient absorption into the
bloodstream.
• Water absorption takes
place in the large intestine.
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Connection:
1 or 2
Excretory
System
Solid wastes left over after
digestion are eliminated through
the large intestine.
3 or 4
Circulatory
System
Nutrients broken down in the small
intestine are absorbed as blood
passes through and transported to
the rest of the body.
5 or 6
Muscular
System
Smooth muscled lining the entire
digestive tract work together to
push food items through the
system.
Integumentary System
• Hair, skin and nails
• Best defense to
keep bacteria from
entering your body
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1 or 2
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Connection:
Muscular
System
Arrector pili muscles in the skin cause hairs to
stand on end.
3 or 4
Circulatory
System
Increased blood flow to the skin is used to
promote sweating and cooling, while blood flow
is reduced when the body needs to conserve
heat.
5 or 6
Respiratory
System
While not found in mammals, many types of
amphibians, some fish and some reptiles are able
to breath through their skin surface.
Muscular System
• Skeletal- for movement of
limbs
• Smooth- helps move stuff
through body
• Cardiac- heart
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Connection:
1 or 2
Excretory
System
Muscles surrounding bladder wall
and sphincter muscles control flow
of liquid wastes.
3 or 4
Circulatory
System
Cardiac muscle and smooth
muscles surrounding the arteries
control flow of blood throughout
the body.
5 or 6
Nervous
System
Triggering a specific sensory nerve
causes a rapid muscle contraction
known as a reflex arc. example:
knee jerk
Respiratory System
• Exchange of gases
between body and
environment
• Ends at the lungs
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Connection:
1 or 2
Endocrine
System
Production of adrenaline causes
rapid breathing to increase oxygen
flow to the muscles.
3 or 4
Muscular
System
Diaphragm and muscles of the ribs
act to expand and contract the
lungs.
5 or 6
Digestive
System
Food traveling down the
esophagus is blocked from
entering the respiratory system by
a structure called the epiglottis,
when this malfunctions, choking
can result!
Reproductive System
• Sperm and egg
come together to
produce offspring
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Connection:
1 or 2
Endocrine
System
Hormones like estrogen and
testosterone control development of
reproductive organs, reproductive
cycles and the progress of
contractions during labor.
3 or 4
Nervous
System
ASK YOU PARENTS
5 or 6
Immune
System
The mother’s immune system acts to
protect the baby during pregnancy,
even after birth, immunity to diseases
is continued through the mother’s
milk.
Immune System
• Protects our body
from infections
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Connection:
1 or 2
Integumentary
System
Your skin acts as a barrier from
pathogens while also secreting
acids that destroy most pathogens
on contact.
3 or 4
Excretory
System
Destroyed pathogens and dead
immune cells are removed from the
body via the excretory system.
5 or 6
Respiratory
System
Mucus produced in the sinuses and
nasal passages act to trap dirt and
pathogens that enter the body
when you inhale.
Endocrine System
• Glands that produce
hormones- chemical
messages sent
through the blood
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Connection:
1 or 2
Circulatory
System
Carries hormones produced by the
endocrine system to the locations
where they are needed.
3 or 4
Digestive
System
Hormones of the endocrine system
regulate your metabolism and
signal when you are hungry.
5 or 6
Skeletal
System
Human Growth Hormone (HGH)
signals the body and skeletal
system to begin growing during
each major growth spurt.
Nervous System
• Controls everything in the
body
• Carries messages through
the nerves
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Connection:
1 or 2
Muscular
System
Electrical signals produced by the
nervous system control the
contraction of muscles throughout
the body.
3 or 4
Endocrine
System
The brain acts to control the timing
and amount of hormones released
to the body.
5 or 6
Integumentary
System
Nerve endings imbedded in the
skin provide the sense of touch
and pain signals that warn of harm.
Skeletal System
• The framework that
gives our body structure
and support.
• Where blood is produced
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Connection:
1 or 2
Muscular
System
Muscles attached to the skeleton
act as levers and pulleys to
move the body.
3 or 4
Circulatory
System
New red blood cells are
produced by special cells in the
bone marrow.
5 or 6
Immune
System
The white blood cells necessary
for locating and destroying
pathogens in the body are first
produced in the bone marrow.
Excretory System
• Elimination of wastes
produced by cells
throughout the body.
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Connection:
1 or 2
Respiratory
System
Waste CO2 produced in cells
during cellular respiration, is
carried to the lungs and exhaled.
3 or 4
Nervous
System
Pain signals from the brain
indicate the need to eliminate
liquid and solid wastes.
5 or 6
Integumentary
System
Small amounts of urea are
excreted through the skin as
salts.