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Respiratory System, Part 1: Crash Course Anatomy & Physiology

For lots of animals, including humans, those lungs come with a bunch of other equipment, like protective ribs, a stiff trachea, and, in mammals, a strong diaphragm, and together they form your respiratory system, which happens to be best friends and business partners with your circulatory system. It's only by working together and using both the bulk flow and simple diffusion of oxygen that they can make possible the process of cellular respiration, in other words, life itself...

Every time you take a deep breath, you bring in about a hundred quintillion oxygen molecules into your lungs all at once. They're on a bulk flow bus ride, and once those oxygen molecules filter down into…

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Articles of Interest

Respiratory Methodology

The Respiratory System consists of the upper and lower airways. The diaphragm acts as a respiratory muscle taking part in the ventilatory driver mechanics. The trachea branches into the right and left bronchi, each of which further bifurcates into multiple generations of smaller bronchioles. These bronchioles form the tracheobronchial tree, which terminates at the alveoli.

Respiratory system: Facts, function and diseases

Take a deep breath — here's how the respiratory system works.

The Respiratory Apparatus

The human pulmonary apparatus consisting of the nasopharynx, the trachea, the bronchioles and the lungs is another of those systems, in which the proximal organs, the lungs are sterile under normal conditions, while in the distal portions the nose and the mouth are among the most heavily colonized regions of the body.

Are You Breathing Properly?

Yes, breathing is an automatic process. No, that doesn’t mean you’re always doing it correctly.

Crazy Facts About Your Lungs and Pulmonary Health

The lungs should be considered “the environmental organ.” They are unique in their size and formation, and they interface with all the materials you inhale from the community environment, the work environment, and the personal environment.

No Better Time to Consider Our Lungs

We count on the rhythmic inhale and exhale every moment of the day, adding up to roughly seven million to eight million each year, even as our bodies are on autopilot as we sleep. Under such pressure, there’s no better time to think about the task our lungs carry out from our first breath to the last. This is the tribute that Michael J. Stephen, a pulmonary expert at Thomas Jefferson University, attempts in “Breath Taking.”

Surprising Fun Facts About the Respiratory System

Responsible for delivering oxygen to our cells and expelling carbon dioxide, the respiratory system is a true marvel of nature, filled with fascinating peculiarities that often go unnoticed.

Your lungs are really amazing. An anatomy professor explains why

Lungs are remarkable organs that continuously achieve amazing feats, which they do so well that we take them for granted, except when their function is diminished. It all happens in a space inside your chest, divided in two and reduced by the presence of the heart, the great vessels and the esophagus.

Resources

Anatomy & Physiology

This chapter covers the major organs of the respiratory system with review of how the lungs and heart work together to deliver oxygenated blood to body tissues.

Deranged Physiology

Awesome resource....

KenHub

The respiratory system, also called the pulmonary system, consists of several organs that function as a whole to oxygenate the body through the process of respiration (breathing). This process involves inhaling air and conducting it to the lungs where gas exchange occurs, in which oxygen is extracted from the air, and carbon dioxide expelled from the body. The respiratory tract is divided into two sections at the level of the vocal cords; the upper and lower respiratory tract.

Physiopedia

The average human exhales 0.35 L of water each day. The amount varies with air temperature, relative humidity, and level of activity, so the range is probably 0.3 L to 0.45 L per day.