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Cardiovascular system
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Cards (33)
What is the main function of the circulatory system mentioned in the video?
To transport
glucose
and gases around the body
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What color is human blood?
Red
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Why do veins and arteries appear blue or red in diagrams?
To indicate lower or higher concentrations of
oxygen
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What is the reason veins may appear blue or green under the skin?
It involves the way they appear under the skin
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What are some functions of human blood?
Maintains pH, temperature,
osmotic pressure
, and transports
hormones
,
nutrients
, and
gases
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What is plasma in blood?
The liquid portion of blood containing water,
proteins
, salts, and
lipids
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What are the cellular components of blood?
Red blood cells
,
white blood cells
, and
platelets
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What is the role of red blood cells?
To transport
gases
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What do white blood cells do?
They fight
infections
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What are platelets?
Cellular fragments involved in
blood clotting
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What protein gives red blood cells their color?
Hemoglobin
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How is the human heart anatomically divided?
Into a
deoxygenated
partition and an oxygenated partition
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What do arteries generally do?
Carry blood away from the
heart
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What do veins generally do?
Carry blood to the
heart
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Where does oxygen delivery occur in the circulatory system?
At the
capillary
level
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What are the four chambers of the heart?
Right atrium
,
right ventricle
,
left atrium
,
left ventricle
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How can you remember the position of the atria and ventricles in the heart?
A
comes
before
V
in
the
alphabet
,
so
atria
are
at
the
top
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What is the function of heart valves?
To separate chambers and prevent
backflow
of blood
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What is the pathway of deoxygenated blood starting from a human toe?
It travels through the
inferior vena cava
to the
right atrium
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What happens to deoxygenated blood in the lungs?
It takes on oxygen and releases
carbon dioxide
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What is the major artery that carries oxygenated blood throughout the body?
The
aorta
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How does the heart receive its own blood supply?
Through
coronary arteries
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What do coronary veins do?
They take
deoxygenated
blood to the right atrium
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Can you trace the pathway of blood through the heart?
Right atrium
,
tricuspid valve
, right ventricle, pulmonary valve,
pulmonary artery
, lungs, pulmonary vein, left atrium,
mitral valve
, left ventricle,
aortic valve
,
aorta
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How many times does a human heart beat in a day?
Over
100,000
times
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What is the cardiac cycle?
The coordinated sequence of the heart’s
contractions
and relaxations
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What are some treatment options for heart conditions?
Medications
or
surgery
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What are the components of blood and their functions?
Plasma
: Liquid portion containing water,
proteins
,
salts
,
lipids
Red blood cells
: Transport gases
White blood cells
: Fight infections
Platelets
: Help with blood clotting
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What is the pathway of blood through the heart?
Right atrium
Tricuspid valve
Right ventricle
Pulmonary valve
Pulmonary artery
Lungs
Pulmonary vein
Left atrium
Mitral valve (bicuspid valve)
10
.
Left ventricle
11.
Aortic valve
12. Aorta
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What are the major functions of the circulatory system?
Transport of
nutrients
and
gases
Regulation of
body temperature
Maintenance of
pH
and
osmotic pressure
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What are the types of blood vessels and their functions?
Arteries
: Carry blood away from the heart
Veins
: Carry blood to the heart
Capillaries
:
Exchange
of gases and nutrients at the tissue level
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What are the heart's chambers and their roles?
Right atrium: Receives deoxygenated blood
Right ventricle: Pumps deoxygenated blood to lungs
Left atrium: Receives oxygenated blood
Left ventricle: Pumps oxygenated blood to the body
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What
are coronary arteries and veins?
Coronary arteries: Supply oxygenated blood to the
heart
Coronary veins: Return deoxygenated blood to the right atrium
View source
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