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Transcript of Respiratory System
Start to end
This is where the respiratory system comes in to play.
It replaces the carbon dioxide in our body with oxygen.
By: Uvaice Nasir, Stephen Lu,
Aqib Mannan, Yusuf Abshir
Carina Of Trachea
WHy do We Breath?
All of our body cells need oxygen
Food is converted into energy by oxygen
To release waste gas( carbon dioxide
Nose and Mouth
Phayrnx and Larynx
Down Trachea the windpipe
Separated by Bronchus then further to Bronchioles
Into Alveoli (Air Sacs)
Distributed throughout body
Carbon dioxide exits
Breathing is mainly controlled by a vital muscle located under the lungs the Diaphragm
Controlled by the phrenic nerve
Inhaling and Exhaling
Diaphragm is always involuntarily moving so that we breathe
When diaphragm contracts you inhale
Vacuum is created and air is pulled in
When diaphragm expands you exhale
Air is forced out
Relation to the Circulatory system
common respiratory Diseases
Also known as voice box
House of vocal cords
Opening in between vocal cords called glottis
Prevents foreign objects from entering lungs
Covered by epiglottis on top
Held together by 16-20 cartilage rings
Point of branching known as Carina
Helps in air conduction, formally known as respiration
Sends signals to brain to keep body thermo-balanced
Fundamental for air to enter the lungs.
Leads to the Alveoli
Lined with mucous and cilia
Mucous moves upwards to pharynx then down esophagus
Starring the one and only
Aqib Mannan (round of applause)
Respiratory System's parts and their functions by Uvaice and the boys
Yours truly Stephen Lu
What is asthma?
How can we get it?
Chronic inflammation of the lungs
Begins early in life
You might get eczema
If you suffer wheezing and respiratory infection after the age of 6
Lung function tests
Check your medical history
Whats an asthma attack?
What can control asthma?
A persons airway lining becomes inflamed
Person has to gasp for breath
Ciliary cells get irritated which creates excess mucous
Inhalers (hand held, portable, mini aerosol cans
When squeezed a measured puff is released
Thanks for teaching us Aqib
Thank you for being a great audience
The Respiratory Rap- Yuyu Dixon feat. Big Mann
Also known as the throat
Muscular tube connected and extends all the way
from the nasal cavity to the esophagus and larynx
Splits into 3 regions which are : Nasopharynx, Oropharynx, and laryngopharynx
Ends at two separate openings (trachea and esophagus)
The respiratory system and circulatory system work together hand and hand.
The respiratory system supplies oxygen for the circulatory system takes the oxygen around to the parts in the body
that needs it .
1. Nasal cavity
At the end of the bronchiole
Deflate during exhalation
Inflate during inhalation
Over 300,000,000 in each lung
Where gas exchange occurs
Surrounded by capillaries
Very thin Fluid lined walls
Oxygen passes through to capillaries
Carbon dioxide passes in and goes up bronchi
Pulmonary Artery and Vein
Primary entrance for air
In the hollow part of the skull
Made up of bone, cartilage, muscle and skin
Hairs (cilia) and mucus filter out the dust and any other unwanted things
Mucus also moisten and warm air to protect tissue from drying
Nasal turbinates increase surface area for air
The top part of the pharynx, located at the end part of the nasal cavity
Gives the ability to breath from the nose
Directs the air into the oral cavity
The middle part of the pharynx
Connects the nose and mouth to the esophagus
Route for both food and air
Lined with mucous membrane
Found between the larynx and esophagus
Directs the food and air into correct passage ways
Smooth mucous membrane cover the walls
Special, flexible flap of elastic cartilage with mucous membrane
Thin, leaf-shaped structure at the front of larynx
Covers the entry to the trachea and directs food to enter the esophagus
Most of the time relaxed, as air is inhaled for most of the time
Physiology of the Respiratory System
Homeostatic control of Respiration
The Respiratory System in Other Organisms
What is the important thing that oxygen does for the body?
How the respiratory system work in other organisms may be very different in either many complex or simple many factors, but respiratory systems have one thing in common and it does not change; the respiratory system in other organisms all have the same function which is to provide oxygen for the body so that it can LIVE and to get rid of carbon dioxide from the body.
This keeps up
How it works?
Well, as we know by now, the "gas exchange" happens by diffusion which is how the respiratory system exchanges gases. But in some animals, the process is different, they use a process known as simple diffusion.
Now what if i ask you guys what is simple diffusion
Simple diffusion is a process which allows gases to come in and exit through a wet membrane
Some animals do undergo simple diffusion, and examples of these animals are like:
The Respiratory system is a system of tubes known as tracheae
Tubes act similar to closed circulatory system of blood vessels which divide and branch out into smaller and smaller tubes extending to all parts of the insects
Some insects have small openings scattered around their body
Small insects only do diffusion while big insects actively pump air into tubes
In Fish (aquatic respiration)
Gas exchange happens at the gills (when exposed directly to water)
Fish have to have constant water flow over their gills
Many capillaries in the gill that bring blood very close to the water
Have many gill filmanets and each filament is lined with rows of lamellae
Now guys, let me ask you a question, do you believe that all animals or organisms with a respiratory system, all have lungs?
NO! Some animals do not have lungs
-Some animals like the insects don't have lungs as they have small openings scattered around their body to help breathing. Other animals like amphibians, breathe through their skin, but of course have help from their lungs or gills.