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The Respiratory System

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Sarah Henson

on 8 December 2014

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Transcript of The Respiratory System

The Respiratory System
Respiratory problems
Process of taking in oxygen
What is the main function
of the Respiratory system?
To take in oxygen and remove carbon dioxide.
Lungs & passageways leading there
Nasal Cavity
Passage from the mouth to the food pipe & wind pipe
Contains vocal cords and produces sounds (voice box)
Windpipe (tube that connects the larynx to the lungs)
Two tubes that connect the lungs with the trachea
Tiny air sacs where oxygen and carbon dioxide are exchanged
A dome shaped muscle beneath the lungs
Breathing in and out
respiratory system
Asthma is a disorder that causes the airways of the lungs to swell and narrow, leading to wheezing, shortness of breath, chest tightness, and coughing.
What improves the function of our Respiratory system?
What makes up this system?
1. Breathing
2. Cellular respiration
small hairs in the nose, filter any dust and prevent unwanted objects getting into the body
In between the ribs
Contract move the ribcage out
Smaller branches from the bronchus which lead to the alveoli
What improves the function of our Respiratory system?
What improves the function of our Respiratory system?
What improves the function of our Respiratory system?
What is in air?
The right lung has three lobes
The left lung has two lobes
- smaller as it has to fit around the heart!
Identify the structure of the respiratory system
Describe the function of this system
Discuss the lifestyle factors that impact this system
Inspired Air
Expired Air
and releasing carbon dioxide
Divided into two parts:
Left Bronchus
Intercostal Muscles
Right Lung
Right Bronchus
inhalation & exhalation
energy released from food
Can you think of any?
Gaseous Exchange
Takes place in the Alveoli
Respiratory Volumes
The amount of air which enters the lungs during normal inhalation at rest. The average is 500ml.
Tidal Volume
The most air you can exhale after taking the deepest breath you can.
Vital Capacity
The amount of air left in the lungs following a maximal exhalation.
Residual Volume
Peak flow Test
Measures the fastest rate of air that you can blow out of your lungs
It records airflow in litres per minute (L/min).
put the marker to zero
take a deep breath
seal your lips around the mouthpiece
blow as hard and as fast as you can into the device
Full transcript