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Circulatory System
Vocabulary Alveoli – Air sacs that make up the lungs Atrium – top chamber of the heart Blood Vessel – a tube that transports blood
and materials throughout the body Cardiovascular Disease – a disease that
affects the blood, blood vessels and/or heart Gas Exchange – taking in one gas while
dropping off another Heart – organ that pumps blood throughout
the circulatory system Ventricle – lower chamber of the heart
Function
Transports _________, __________, carbon dioxide and _________ to various parts of the body
Nutrients Oxygen
Waste
Heart:
Four chambers: Right Atrium: receives _________________ blood
from the _______ Right Ventricle: sends blood to the ___________ Left Atrium: receives ________________ blood
from the __________ Left Ventricle: sends blood to the __________
_________ Septum – Wall that separates the right and left
sides of the heart Valves – separate the atria and ventricles
DeoxygenatedBody
LungsOxygenated
LungsBody
Parts
Blood Vessels:
Vessel Description
Artery Carries blood ________ ________ the heart
Thick walled
Capillary Food, oxygen and wastes pass in and out of these vessels
Very thin, cells travel single file
Vein Carries blood _________ ________ the heart
Larger than capillaries but thinner than arteries
_________ to prevent backflow
Away From
Back to
Valves
Valve
Blood:
Plasma: the __________ portion of blood, 92% water
RBC: red blood cells, contain ______________ that carries ____________
WBC: white blood cells, fight ____________ Platelets: create ___________ to clot blood
RBC
WBC
Platelets
Liquid
Hemoglobin Oxygen
Disease
Fibrin
Pulse Points:
Can measure _________________ Located at the wrist and ___________
Heart rate
Neck
Blood Types:
Type O is the universal _____________ because it can be donated to any blood type
Type AB is the universal __________ because it can accept any blood type
Rh factor: specific proteins in blood
Rh negative blood: proteins are not present, can only receive __________ blood
Rh positive blood: proteins are present, can receive negative or positive blood
Blood Type
Can Accept during Transfusion
A A or O
B B or O
AB A, B, AB, or O
O O
Donor
Recipient
Negative
Cardiovascular Diseases:
Hemophilia: not enough _____________ to clot blood
Hypertension: __________ blood pressure Atherosclerosis: ____________ of the inner
lining of the arteries, can cause ___________ ____________
Platelets
High
ThickeningHeart attack
or Stroke, limit cholesterol
intake…fried foods
Cardiovascular Diseases:
Sickle cell Anemia: sickle shaped _________ blood cells
Leukemia – a type of
cancer that causes an
increase in the number of white blood cells
Red
Gas Exchange
The Circulatory system gives carbon dioxide to the alveoli (lungs) to be exhaled out of the body
The respiratory system inhales oxygen and gives it to the circulatory system to be transported to the cells throughout the body
6th Grade Review – Energy Resources
Renewable resources don’t run out or can be replaced in your lifetime
ex. Solar, Wind, Running Water, Wood (trees) Nonrenewable resources take millions of
years to form and are in a limited supply
ex. Coal, Oil, Gasoline Nonrenewable resources need to be
conserved and used sparingly by recycling and reducing the use (ex. Carpooling, Mass transit)