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7. Cardiovascular system
Yessika Andrea Orea Yañez
Created on February 20, 2024
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Transcript
HOW ARE YOU FEELING TODAY
ATTENDANCE
CARDIOVASCULAR SYSTEM
Blood vessels
Made by: Yessika Orea
BLOOD VESSELS
BLOOD
5 - 6 L
Protection
Regulation
Transport
Diseases (immune system)
Temperature, ph acidity, liquids equilibrium
Gases (O2, CO2), nutrients (glucose, biomolecules) waste, homones.
BLOOD COMPOSITION
55%
P L A S M A
water, ions, proteins, nutrients, wast e, gases
1%
W H I T E B L O O D C E L L S
leukocytes and platelets
44%
R E D B L O O D C E L L S
eritrocytes
BLOOD COMPOSITION
ARTERIES
VEINS
From the heart to the hole body
From the body to the heart
Red blood cells carry O2 to all the tissues
Red blood cells are out of O2 and full of O2
Gas exchange
The heart pumps 70 milliliters of blood with each beat, that is, about five liters of blood every minute.
Note: Not neccesary to know the valves
HYPERTENSION
Physiology: Chronic elevation of blood pressure.Signs and Symptoms: Often asymptomatic; headache, dizziness in severe cases. Diagnosis: Repeated blood pressure measurements. Treatment: Diet, exercise, antihypertensive medications.
HYPERTENSION
ATHEROSCLEROSIS
INFARCTION
Physiology: Interruption of blood flow to the heart, causing damage to the myocardium. Signs and Symptoms: Chest pain, sweating, difficulty breathing. Diagnosis: Electrocardiogram (ECG), cardiac biomarkers. Treatment: Angioplasty, thrombolytics, risk factor management..