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www.reference.com/article/respiratory-system-respond-exercise-34f0e0d9454a1802

The respiratory system experiences an increase in breathing rate in direct response to the intensity of the exercise performed. According to PT Direct, breathing rates can increase up to 50 breaths per minute during exercise. That is 35 breaths per minute over the normal resting rate of 15 breaths p

www.reference.com/article/respiratory-system-d102e5e0695675f8

The respiratory system is a group of organs that provide the body with oxygen. Oxygen is needed for cells in the human body to live.

www.reference.com/article/need-respiratory-system-5a74dfd91946a985

Humans need a respiratory system because it is made up of organs that allow them to breathe. Breathing delivers oxygen to the body and takes away carbon dioxide. Every cell in the body needs oxygen to obtain energy from food.

www.reference.com/article/respiratory-system-work-efb7efbe82695b2b

The respiratory system draws in fresh air from the environment, exchanges oxygen for waste gases in the lungs and expels the spent air back into the environment before taking another breath. The oxygen is then circulated through the body to fuel the metabolism of the cells.

www.reference.com/science/function-respiratory-system-3cdbc8ff623fcb8a

The primary function of the respiratory system is to provide oxygen to every part of the body through the process of inhaling oxygen and exhaling carbon dioxide. The respiratory system consists of tissues and organs inside the body that allow people to breathe. This system includes blood vessels, th

www.reference.com/science/organs-make-up-respiratory-system-cd56231e6f8867ee

The respiratory system is made up of the lungs, trachea, bronchi and diaphragm. These organs help people to breathe. Humans need to breathe to deliver oxygen to the body and rid the body of carbon dioxide, a waste gas that is produced by the body's cells.

www.reference.com/article/diseases-respiratory-system-d32c54e8dea8f19e

Some common respiratory diseases include asthma, cystic fibrosis, chronic bronchitis and emphysema. Smoking, infections and genetics are responsible for most diseases of the respiratory system, according to WebMD.

www.reference.com/article/purpose-respiratory-system-350c5c2a6811aafc

According to the Franklin Institute, the main purpose of the respiratory system is to supply oxygen to the blood, which delivers oxygen to all parts of the body. This is performed through respiration (i.e., breathing), which involves inhaling oxygen and exhaling carbon dioxide. Through an exchange o

www.reference.com/science/main-parts-respiratory-system-ab85534e0ef7aaf0

Main parts of the human respiratory system include the mouth, nasal cavity, lungs, bronchial tubes, diaphragm and trachea, according to National Heart, Lung, and Blood Institute. Other facets of the respiratory system are the larynx, epiglottis, alveoli and the blood vessels that carry oxygen away f

www.reference.com/article/organs-included-respiratory-system-44b394cbfe529784

The upper half of the respiratory system consists of the nasal cavity, larynx and pharynx, while the lower half consists of the trachea, bronchi and lungs. The upper part of the system conducts gases, while the lower part is responsible for gas exchange.