Essay on Human Body System

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Respiratory System
By: Daniela Hernandez & Sariah Ramirez

Purpose and Functions
The main purpose of the respiratory system is to deliver oxygen to the body and to take away carbon dioxide.
Some other functions of this system includes voice production, body temperature and acid-base regulation, and the sense of smell.

System Organs
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Nose: where air is inhaled and exhaled
Pharynx: tubular part which allows the passage of air into lungs
Epiglottis: flap-like structure which prevents food or water from entering into the trachea at the same time a person is swallowing
Larynx: connects the trachea to the laryngopharynx; controls the flow of air when breathing
Trachea: known as the windpipe, controls the flow of air towards the bronchi Bronchi: allows the flow of air into lungs
Lungs: supply the body with oxygen and get rid of carbon dioxide
Diaphragm: controls the expansion of the lungs

5 AMAZING FACTS!!!
● The human body loses about 0.5 liters of water everyday by breathing. ● The right lung is slightly larger than the left lung.
● Lungs are the only organs that can float.
● The average number of breaths taken in by a human is 17,280/day
(12 breaths/min.)
● We humans yawn because our bodies don’t have enough oxygen in them. Disease or Illness
Asthma is a chronic, or long-term, that inflames and narrows the airways of your lungs. Some symptoms are coughing, wheezing, chest tightness or shortness of breath. Special asthma inhalers can be used to clear the

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