Lungs

The trachea divides into a right and left main bronchus. Each major bronchus then subdivides into smaller airway passages referred to as bronchi. As the airway passages make their way out to the lung tissue, the passages become smaller and are referred to as bronchioles. Eventually the bronchioles terminate into small collections of air sacs known as alveoli, which is where the actual exchange of CO2 and Oxygen occur.

The above answer is partly correct, The bronchus and bronchi and the same, bronchus is singular and bronchi is plural. The primary (main) bronchi have a left bronchus and right bronchus, they later eventually branch into the bronchiole(s).

O2 and CO2 are carried by the blood.

Gases moves by diffusion that is, they move from an area of higher concentration to an area of lower concentration.

The lining of the alveoli most be moist to help gases diffuse.

Healthy lungs are full and pink.

Cardiopulmonary (or more commonly known as cardiovascular) exercises- they exercise your heart & lungs; hence the name cardio (heart) pulmonary (lungs) exercises. This would include running, walking, cardio videos, dancing, etc.- anything that makes you breath hard and fast (heart rate of at least 120 bpm) for a relatively long period of time (1 hour at least). One exercise most people don't consider is just holding your breath for as long as you can. Doing this over and over again will cause your body to build up a tolerance of not having air when it needs it (essentially exercising your lungs and heart without exercise). You will eventually be able to perform more work (exercise) with less energy (air/blood flow).

If you have received a blow to your ribs you may have injured the muscle around it or directly cracked or fractured you rib. When you sneeze you inhale and exhale at a tremendous speed, putting a lot of pressure on you diaphragm.

There are also a large multitude of reasons why you could be experiencing pain if the pain doesn't go away or it does worsen consult you doctor immediately.

Small controlled amount of crystal meth have actually been shown to relive some lung disease and is almost always effective. I suggest you see your dealer immediately.

Starvation and mal-nurishment can lead to a lack of nurtients that are vital to the body. All organ, especially the lungs and heart, can be affected as it will weaken the organ, place stress / excess strain on them, cause organ malfunction, and can even lead to organ failure.

Adults have an internal lung area of 90m square, which is 40 times the external area of the body. you breathe about 13,500 liters of air a day y.to obtain oxygen and remove carbon dioxide from your body.

Carbon Dioxide is harmful to the body since it replaces oxygen in the blood. If not enough oxygen is breathed in as a result of excess carbon dioxide in the air, a person may faint, and possibly die. (Oxygen is needed for respiration to produce energy!)

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i don't know. is that the best answer in the world! haha YES IT'S dumb but check wikipedia thay should have here I'll check just click on this http://en.wikipedia.org/wiki/Human_lung or copy and paste it should be blue or something if not just copy and paste i didn't read the artcle yet if your Q is not there it should be updated soon.

Typically carbon dioxide doesn't come from the lungs, it goes to them and gets exhaled. However, I suppose you could inhale some carbon dioxide in which case it might diffuse into the blood and go around your body. Not really super harmful unless you inhale a lot (after all your cells naturally produce carbon dioxide through cellular respiration, which of course then travels to the aveoli and gets exhaled).

The right lung is slightly bigger due to the heart. The heart takes up more room on the left side so that the right lung has more room on the right side.

Blood coming from the lungs enters the left side of the heart.

mediastinum

Depending on the type of pain (sharp, burning, dull, throbbing, aching, etc.), what it feels like generally gives you at least an idea of where the pain could be coming from. Sharp, needle-like pain is a nerve; burning can be a combination of nerve and muscle pain. Deep aching pain is usually muscle related; bone pain can be any one of them depending on the problem with the bone.

Quite often sharp pains on the left side of the chest that can cause concern for heart problems turn out to be related to stomach gas, reflux, and similar problems. Having had reflux for many years, I've had chest pains that felt like my chest was being ripped out - it generally feels extremely painful, very sharp, and sometimes burning as well; it will come out of nowhere, but usually within a couple of hours after eating. Sometimes it'll start as a small, sharp pain, and then radiate outward and then feel as though it's the whole side that's hurting.

If you haven't done so, consider consulting with your doctor about possible stomach problems. It doesn't make any difference how old you are, but it's what you eat that causes it.

Atelectasis (at-ee-LEK-tah-sis) is the collapse of part or all of the lung by the blockage of the air passages or by very shallow breathing (atel means incomplete, and -ectsis means stretching or enlargement). "Pneumothorax" is actually the presence of free air or gas in the pleural cavity.

Medial basically refers to being in the middle.

Lateral basically refers to on or at the sides.

The lungs are located on either side of the heart, so they are lateral to the heart.

Lungs supply oxygen to your blood and they also clear waste carbon dioxide. If they stop working your blood loses oxygen and starts to build up an excess of waste carbon dioxide.

Muscles and other tissue can survive quite a long period without oxygen, but the brain cannot.

Shortage of oxygen to the brain will cause you to lose consciousness. If the oxygen supply is not rapidly restored you can suffer brain damage. If at this stage oxygen supply is restored you can live, though you may have serious problems for many years.

If the oxygen supply is still not restored your brain will stop functioning, though the rest of your body can survive. If at this stage oxygen supply is restored you become a coma patient with little chance or reviving.

And obviously if oxygen supply is never restored, you die.

From the windpipe, the air moves through two large passageways, called the bronchi. A complex system of much smaller tubes or bronchioles branch out from your bronchi to carry oxygen to the "working parts" of the lungs - the millions of air sacs or alveoli thanks :0

to breath

the air you breath in goes to your lungs and all of the organs need oxygen to survive

Respiratory bronchioles and the alveoli are the smallest part in case of the lungs. There are millions of them in your lungs.

(Just) lung transplants are now quite commonplace. However, heart and lung combination transplants are actually easier to perform for a surgeon. This means that some people will end up with a heart/lung transplant (even though their heart was fine) to enable easy surgery - another patient who just needs a heart generally gets the first patients heart (a domino transplant).

A pulmonary embolism is an obstruction of a blood vessel in the lungs, usually due to a blood clot, which blocks a coronary artery. Many times a pulmonary embolism is caused by a deep vein thrombosis. A complication where blood clots break off in a major vein. The cause of the clot could have resulted from orthopedic surgery, or pelvic, abdominal, or thoracic surgery. It probably started in the femoral vein or iliac vein. From there, it traveled through the inferior vena cava, through the right atrium of the heart. Then the right ventricle of the heart. Finally, into the pulmonary arteries where it stops.

Black lung disease is associated with the coal mining industry. The disease is the result of prolonged breathing of coal dust. Coal dust contains silica and carbon. These components of coal dust are what cause black lung disease. About 1 in 20 coal miners have evidence of black lung disease which is a chronic disease for which there is no known treatment.