2.02 understand the functions and disorders of the 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: What are the functions of blood? What are some disorders of the blood? How are blood disorders treated? - PowerPoint PPT PresentationTRANSCRIPT
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2.02 Understand the functions and disorders of the circulatory system
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2.02 Understand the functions and disorders of the circulatory systemEssential questions: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?
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What are the functions of blood?
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TransportationWhat does the blood transport?
Why is this an important function?
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What are the functions of blood?
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RegulationHow does the blood regulate heat?
How does the blood regulate acid/base balance?
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What are the functions of blood?
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ProtectionWhat function of the blood serve to protect the body?
What is the relevance to health?
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Functions of the blood components
Plasma Erythrocytes Leukocytes Thrombocytes
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Plasma
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Plasma
Cellular elements
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Erythrocytes
What are the functions of erythrocytes?
hemo= blood globin= protein
What is the function of hemoglobin?
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Erythrocytes
hemolysis What is it?
Where does it occur?
What is the lifetime of an erythrocyte?
What happens to old erythrocytes?
Starts here
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Rh factor
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Leukocytes
What is the function of leukocytes?
Compare leukocytes to erythrocytes.
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Leukocytes
Agranulocytes Lymphocytes
Monocytes
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Leukocytes
Granulocytes Neutrophils
Eosinophils
Basophils
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Inflammation
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Inflammation
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Thrombocytes
What is the composition of thrombocytes?
What is their function?
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Thrombocytes
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Blood types
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Blood types
Compare blood types. (antigen/antibodies) A
BABO
Who can receive type O blood?
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Rh factor
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Blood Disorders AnemiaReview the symptoms of
anemia.
Discuss why these symptoms occur.
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Blood disorders
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Blood disorders
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Blood disorders
Review the symptoms of hemophilia.
Discuss why these symptoms occur.
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Blood disorders
LeukemiaLeukemiaWhat is leukemia?
Review the symptoms of leukemia.
Discuss why these symptoms occur.
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Blood disorders
Multiple myeloma
What is multiple myeloma?
What are the symptoms?
How is it treated?
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Blood disorders
Polycythemia
What is polycythemia?
What are the symptoms?
How is it treated?
Plasma
Cellular
elements
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Blood disorders
Septicemia
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Blood disorders Sickle cell anemia
What is sickle cell anemia?
What are the symptoms?
How is it treated?
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What are the functions of the heart?
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Functions of the heart
Did you know? At rest, 2 ounces of blood
is circulated with each heart beat.
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Functions of the heartIt’s a PUMP
What do pumps do?What do pumps do?
How does this relate to heart function?How does this relate to heart function?
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Hear the beat!
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Blood Pressure FYI
Blood pressure is the surge of blood when heart pumps creates pressure against the walls of the arteries
SYSTOLIC PRESSURE Measured during the contraction phase
DIASTOLIC PRESSURE Measured when the ventricles are relaxed
What is the normal range of blood pressure for an adult?
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Functions of the heartIt’s a PUMP
What makes the pump work?What makes the pump work?
It’s electric!Explain the electrical activity of the heart.
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It’s electric!
Discuss the function of the heart’s conduction
system.
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Electrocardiogram 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
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Functions of the heartIt’s a PUMP
What makes the pump work?What makes the pump work?
It’s electric!
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Functions of the heartTransportationWhat does the heart transport?What does the heart transport?
What is involved in the transportation What is involved in the transportation process?process?
How is this a circulatory system function?How is this a circulatory system function?
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The transportation process
Discuss systemic circulation
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The transportation process
Right side Superior vena cava
Inferior vena cava
Right atrium
Tricuspid valve
Right Ventricle
Pulmonary valve
Pulmonary artery
Lungs CO2 and O2 exchange
Left SidePulmonary vein
Left atrium
Bicuspid valve
Left ventricle
Aortic valve
Aorta
Body
(Schematic of systemic circulation)
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The transportation process
Discuss cardiopulmonary circulation
CompareSystemic Circulation ToCardiopulmonary Circulation
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Vessels of the circulatory system ARTERIES
What are the functions of arteries?
What are the characteristics of arteries?
Which direction do arteries flow?
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Vessels of the circulatory system
Describe arterial blood.
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Vessels of the circulatory system VEINS
What is the function of arteries?
What are the characteristics of arteries?
Which direction do arteries flow?
Compare arterial and venous blood.
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Vessels of the circulatory system
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Vessels of the circulatory system
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Vessels of the circulatory systemCapillaries
What is the function of capillaries?What happens if this action is obstructed?
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Remember Pulse Sites?
Where do they come from?
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Circulatory disorders
Aneurysm
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Circulatory disorders
Angina pectoris
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Circulatory disorders
Arrhythmia Is any change from normal
heart rate or rhythm
BRADYCARDIA Slow heart rate (<60 beats
per minute)
TACHYCARDIA Rapid heart rate (>100
beats per minute)
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Circulatory disorders
Arteriosclerosis
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Circulatory disorders
Atherosclerosis
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Circulatory disorders
Coronary artery disease
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Circulatory disorders Hypertension
What is hypertension?
What factors influence the
development of
hypertension?
How is it treated?
Why is it called the “silent
killer?”
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Circulatory disorders
Heart failure
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Circulatory disorders
Murmurs
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Circulatory disorders
Myocardial infarction
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Circulatory disorders
Peripheral vascular disease
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Circulatory disorders
Pulmonary edema
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Circulatory disorders
Transient ischemic attack
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Circulatory disorders
Varicose veins
Prevention Wear sunscreen Elevate legs when resting Wear elastic support stockings Eating fiber diets Exercise Weight control
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Circulatory disordersLeading Causes of Death:
The Impact of Circulatory Disorders
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Relevance of nutrients to the blood and circulatory system The circulatory
system plays a vital role in homeostasis Absorption and
transport of nutrients to cells, tissues, organs, and systems