BELL WORK
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Transcript of BELL WORK
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BELL WORK
Why is it important to take care of your respiritory system
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BODY SYSTEMS
RESPIRATORY SYSTEM
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OBJECTIVES
explain how your body uses the air you breath.
identify the parts and functions of the respiratory system.
describe ways to maintain the health of your respiratory system.
analyze the role of posture in respiratory health
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BREATHING
Breathing is a function of your respiratory system.• respiratory system A
system that consists of organs that supply the body with constant oxygen and rid the body of carbon dioxide
• A person can only live a few minutes without oxygen.
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FUNCTIONS
There are two types of respiration.respiration The exchange of gases between your body and the air
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EXTERNAL RESPIRATION
The exchange of oxygen and carbon dioxide between the blood and the air in the lungs.
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INTERNAL RESPIRATION
The exchange of gases between the blood and the cells of the body.
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PARTS OF THE RESPIRATORY SYSTEM
Each lung is divided into sections called lobes.From the bronchi, air moves into smaller tubes called bronchioles.bronchi The main openings through which air enters the lungs
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PARTS OF THE RESPIRATORY SYSTEM
Bronchioles are divided into smaller spaces called alveoli.alveoli Tiny air sacs in the lungs where carbon
monoxide is exchanged with oxygen
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PARTS OF THE RESPIRATORY SYSTEM
Lungs get their power from the diaphragm.diaphragm A dome-shaped muscle that separates the chest from the abdomen
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DIAPHRAGM
WHEN YOU INHALE…The diaphragm contracts and flattens, permitting the lungs to expand and fill with air.WHEN YOU EXHALE…The diaphragm expands and moves upward, squeezing the lungs and forcing air out.
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PROBLEMS
Asthma is the most common respiratory disease suffered by young people.asthma A serious, chronic condition that causes tiny air passages in the respiratory system to become narrow or blockedAsthma attacks are often triggered by an allergic reaction to substances in the environment.
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PROBLEMS
BRONCHITISPNEUMONIATUBERCULOSISINFLUENZACHRONIC OBSTRUCTIVE PULMANARY DISEASE “COPD”LUNG CANCER
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CARE
Knowing your area’s Air Quality Index (AQI) can help you maintain your respiratory health.Air Quality Index (AQI) A measure of ozone, sulfur dioxide, carbon monoxide, and fine particles close to the groundOn days when air quality is poor, avoid outdoor activities.
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CARE
• EXERCISE MAKES LUNGS STRONGER• AVOIDING TOBACCO KEEPS LUNGS HEALTHY• PROTECT YOURSELF FROM RESPIRATORY
INFECTIONS