2.02 Functions and Disorders of Circulatory System

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2.02 Understand the
functions and disorders of the
circulatory system
2.02 Understand the functions and
disorders of the circulatory system
Essential questions:
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What are the functions of blood?
What are some disorders of the blood?
How are blood disorders treated?
How do you relate the body’s use of nutrients to the blood?
What are the functions of the circulatory system?
What are some disorders of the circulatory system?
How are disorders of the circulatory system treated?
How do you relate the body’s use of nutrients to the circulatory
system?
2.02 Understand the functions and disorders
of the circulatory system
2
What are the functions of blood?
Transportation
 What does the blood
transport?
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Why is this an important
function?
2.02 Understand the functions and disorders
of the circulatory system
3
What are the functions of blood?
Regulation
 How does the blood regulate
heat?

How does the blood regulate
acid/base balance?
2.02 Understand the functions and disorders
of the circulatory system
4
What are the functions of blood?
Protection
 What function of the blood
serve to protect the body?

What is the relevance to
health?
2.02 Understand the functions and disorders
of the circulatory system
5
Functions of the blood components
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Plasma
Erythrocytes
Leukocytes
Thrombocytes
2.02 Understand the functions and disorders
of the circulatory system
6
Plasma
Plasma
Cellular
elements
2.01 Remember the structures of the
circulatory system
7
Erythrocytes
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What are the functions
of erythrocytes?
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hemo= blood
globin= protein
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What is the function of
hemoglobin?
2.02 Understand the functions and disorders
of the circulatory system
8
Erythrocytes
Starts here
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hemolysis
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What is it?
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Where does it occur?
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What is the lifetime of an
erythrocyte?
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What happens to old
erythrocytes?
2.02 Understand the functions and disorders
of the circulatory system
9
Rh factor
2.02 Understand the functions and disorders
of the circulatory system
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Leukocytes
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What is the function of
leukocytes?
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Compare leukocytes to
erythrocytes.
2.02 Understand the functions and disorders
of the circulatory system
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Leukocytes
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Agranulocytes
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Lymphocytes
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Monocytes
2.02 Understand the functions and disorders
of the circulatory system
12
Leukocytes
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Granulocytes
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Neutrophils
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Eosinophils
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Basophils
2.02 Understand the functions and disorders
of the circulatory system
13
Inflammation
2.02 Understand the functions and disorders
of the circulatory system
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Inflammation
2.02 Understand the functions and disorders
of the circulatory system
15
Thrombocytes
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What is the composition of
thrombocytes?
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What is their function?
2.02 Understand the functions and disorders
of the circulatory system
16
Thrombocytes
2.02 Understand the functions and disorders
of the circulatory system
17
Blood types
2.02 Understand the functions and disorders
of the circulatory system
18
Blood types
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Compare blood types. (antigen/antibodies)
A
B
AB
O
Who can receive
type O blood?
2.02 Understand the functions and disorders
of the circulatory system
19
Rh factor
2.02 Understand the functions and disorders
of the circulatory system
20
Blood Disorders
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Anemia
Review the symptoms of
anemia.
Discuss why these
symptoms occur.
2.02 Understand the functions and disorders
of the circulatory system
21
Blood disorders
2.02 Understand the functions and disorders
of the circulatory system
22
Blood disorders
2.02 Understand the functions and disorders
of the circulatory system
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Blood disorders
Review the symptoms of hemophilia.
Discuss why these symptoms occur.
2.02 Understand the functions and disorders
of the circulatory system
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Blood disorders
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Leukemia
What is leukemia?
Review the symptoms of
leukemia.
Discuss why these
symptoms occur.
2.02 Understand the functions and disorders
of the circulatory system
25
Blood disorders
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Multiple myeloma
What is multiple myeloma?
What are the symptoms?
How is it treated?
2.02 Understand the functions and disorders
of the circulatory system
26
Blood disorders
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Polycythemia
What is polycythemia?
What are the symptoms?
How is it treated?
2.02 Understand the functions and disorders
of the circulatory system
27
Blood disorders
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Septicemia
2.02 Understand the functions and disorders
of the circulatory system
28
Blood disorders
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Sickle cell anemia
What is sickle cell anemia?
What are the symptoms?
How is it treated?
2.02 Understand the functions and disorders
of the circulatory system
29
What are the
functions of
the heart?
2.02 Understand the functions and disorders
of the circulatory system
30
Functions of the heart
Did you know?
At rest, 2 ounces of blood
is circulated with each heart beat.
2.02 Understand the functions and disorders
of the circulatory system
31
Functions of the heart
It’s a PUMP
What do pumps do?
How does this relate to heart function?
2.02 Understand the functions and disorders
of the circulatory system
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Hear the beat!
2.02 Understand the functions and disorders
of the circulatory system
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Blood Pressure FYI
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Blood pressure is the surge of blood when heart
pumps creates pressure against the walls of the
arteries
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SYSTOLIC PRESSURE
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Measured during the contraction phase
DIASTOLIC PRESSURE
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Measured when the ventricles are relaxed
What is the normal range of
blood pressure for an adult?
2.02 Understand the functions and disorders
of the circulatory system
34
Functions of the heart
It’s a PUMP
What makes the pump work?
It’s
electric!
Explain the electrical
activity of the heart.
2.02 Understand the functions and disorders
of the circulatory system
35
It’s electric!
Discuss the function of
the heart’s conduction
system.
2.02 Understand the functions and disorders
of the circulatory system
36
Electrocardiogram
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EKG or ECG
SYSTOLE = contraction phase
DIASTOLE = relaxation phase
Baseline of an EKG is a flat line:
P = Atrial contraction
QRS = Ventricular contraction
T = Ventricular relaxation
2.02 Understand the functions and disorders
of the circulatory system
37
Functions of the heart
It’s a PUMP
What makes the pump work?
It’s
electric!
2.02 Understand the functions and disorders
of the circulatory system
38
Functions of the heart
Transportation
What does the heart transport?
What is involved in the transportation
process?
How is this a circulatory system
function?
2.02 Understand the functions and disorders
of the circulatory system
39
The transportation process
Discuss systemic circulation
2.02 Understand the functions and disorders
of the circulatory system
40
The transportation process
Right side
Superior vena cava
Inferior vena cava
Right atrium
Tricuspid valve
Right Ventricle
Pulmonary valve
Pulmonary artery
Left Side
Pulmonary vein
Left atrium
Bicuspid valve
Left ventricle
Aortic valve
Aorta
Body
Lungs CO2 and O2
exchange
(Schematic of systemic circulation)
2.02 Understand the functions and disorders
of the circulatory system
41
The transportation process
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Discuss
cardiopulmonary
circulation
Compare
Systemic Circulation
To
Cardiopulmonary Circulation
2.02 Understand the functions and disorders
of the circulatory system
42
Vessels of the circulatory system
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ARTERIES
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What are the functions of
arteries?
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What are the characteristics of
arteries?
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Which direction do arteries
flow?
2.02 Understand the functions and disorders
of the circulatory system
43
Vessels of the
circulatory system
Describe arterial blood.
2.02 Understand the functions and disorders
of the circulatory system
44
Vessels of the circulatory system
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VEINS
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What is the function of
arteries?
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What are the characteristics
of arteries?
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Which direction do arteries
flow?
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Compare arterial and venous
blood.
2.02 Understand the functions and disorders
of the circulatory system
45
Vessels of the
circulatory system
2.02 Understand the functions and disorders
of the circulatory system
46
Vessels of the circulatory system
2.02 Understand the functions and disorders
of the circulatory system
47
Vessels of the circulatory system
Capillaries
What is the function of capillaries?
What happens if this action is obstructed?
2.02 Understand the functions and disorders
of the circulatory system
48
Remember Pulse Sites?
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Where do they come from?
2.02 Understand the functions and disorders
of the circulatory system
49
2.02 Understand the functions and disorders
of the circulatory system
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Circulatory disorders
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Aneurysm
2.02 Understand the functions and disorders
of the circulatory system
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Circulatory disorders
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Angina pectoris
2.02 Understand the functions and disorders
of the circulatory system
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Circulatory disorders
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Arrhythmia
Is any change from normal
heart rate or rhythm
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BRADYCARDIA
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Slow heart rate (<60 beats
per minute)
TACHYCARDIA
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Rapid heart rate (>100
beats per minute)
2.02 Understand the functions and disorders
of the circulatory system
53
Circulatory disorders
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Arteriosclerosis
2.02 Understand the functions and disorders
of the circulatory system
54
Circulatory disorders
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Atherosclerosis
2.02 Understand the functions and disorders
of the circulatory system
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Circulatory disorders
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Coronary artery disease
2.02 Understand the functions and disorders
of the circulatory system
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Circulatory disorders
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Hypertension
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What is hypertension?
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What factors influence the
development of
hypertension?
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How is it treated?

Why is it called the “silent
killer?”
2.02 Understand the functions and disorders
of the circulatory system
57
Circulatory disorders
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Heart failure
2.02 Understand the functions and disorders
of the circulatory system
58
Circulatory disorders
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Murmurs
2.02 Understand the functions and disorders
of the circulatory system
59
Circulatory disorders
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Myocardial infarction
2.02 Understand the functions and disorders
of the circulatory system
60
Circulatory disorders
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Peripheral vascular disease
2.02 Understand the functions and disorders
of the circulatory system
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Circulatory disorders
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Pulmonary edema
2.02 Understand the functions and disorders
of the circulatory system
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Circulatory disorders
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Transient ischemic attack
2.02 Understand the functions and disorders
of the circulatory system
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Circulatory disorders
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Varicose veins
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Prevention
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Wear sunscreen
Elevate legs when resting
Wear elastic support stockings
Eating fiber diets
Exercise
Weight control
2.02 Understand the functions and disorders
of the circulatory system
64
Circulatory disorders
Leading Causes of Death:
The Impact of Circulatory Disorders
2.02 Understand the functions and disorders
of the circulatory system
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Relevance of nutrients
to the blood and circulatory system
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The circulatory
system plays a vital
role in homeostasis
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Absorption and
transport of nutrients to
cells, tissues, organs,
and systems
2.02 Understand the functions and disorders
of the circulatory system
66
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