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Emphysema. Respiratory System. influenza. Bronchitis. Respiratory System. Functions (Jobs). Get oxygen from environment Remove waste ( carbon dioxide , water) Produce sound. Respiratory System. A person at rest takes an average of 12-15 breaths per minute

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respiratory system

Emphysema

Respiratory System

influenza

Bronchitis

respiratory system1
Respiratory System

Functions

(Jobs)

  • Getoxygen from environment
  • Remove waste (carbon dioxide, water)
  • Produce sound
respiratory system2
Respiratory System
  • A person at rest takes an average of 12-15 breaths per minute
  • Your right lung is slightly larger than your left lung
  • The surface area of your lungs is about the size of a tennis court
  • A sneeze travels faster than a cough (100 mph vs. 60 mph)
  • Facts
respiratory system3
Respiratory System
  • Oxygen (O2) is needed by the cells in the body to stay alive and perform their specific jobs
  • Glucose (sugar) is also used to release energy
  • Carbon dioxide (CO2) and water (H2O) are created during this process and are waste products that must be removed
  • Cellular Respiration

O2 In

CO2 Out

check yourself
Check Yourself
  • In two sentences, summarize cellular respiration.
  • Try to write a formula for cellular respiration.
  • Cellular Respiration

O2 In

CO2 Out

respiratory system4
Respiratory System
  • Oxygen breathed into lungs (inhaled)
  • Alveoli (air sacs) allow oxygen to move into blood stream
  • Red blood cells carry oxygen to cells of body
  • Oxygen moves into cells
  • Gas Exchange
  • (Inhale)

O2 In

respiratory system5
Respiratory System
  • Carbon dioxide is removed from cells
  • Red blood cells carry CO2 to lungs
  • Alveoli allow carbon dioxide to leave blood stream
  • Carbon dioxide is breathed out of lungs (exhaled)
  • Gas Exchange
  • (Exhale)

CO2 Out

respiratory system6
Respiratory System
  • The diaphragm is muscle that controls the movement of air in and out of lungs
  • When diaphragm contracts, lungs expand and take in air
  • When diaphragm relaxes, lungs contract and push out air
  • Breathing
  • Breathing
  • Simulation
respiratory system7
Respiratory System
  • The nose warms air filters out particles and adds moisture
  • The epiglottis blocks out food and liquids when you swallow
  • The trachea directs air down to the lungs
  • Other
  • structures
check yourself1
Check Yourself
  • In a few sentences, summarize the path that air takes and what happens to it on the way to the lungs.
  • What do you think would happen if your epiglottis didn’t close the stomach off all the way when you breathed in?
respiratory system8
Respiratory System
  • Bronchitis
    • Bronchial passages within the lungs narrow & then become clogged with mucus.
  • Emphysema
    • Alveoli within the lungs become damaged or destroyed preventing the effective exchange of oxygen & carbon dioxide.
  • Lung cancer
    • Uncontrolled growth of lung cells that produce tumors that prevent the lung from operating effectively.
  • Asthma
    • Disorder where the passageways in the lungs swell and become narrow making it difficult for the lungs to take in air
  • Diseases
respiratory system9
Respiratory System
  • Speaking/singing/whispering – air moves over vibrating vocal cords
  • Exhale – removes extra moisture
  • Coughing/sneezing – remove items from windpipe or lungs
  • Sighing
  • Yawning
  • Hiccupping
  • Laughing
  • Crying
  • Other Jobs