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Lungs

Lungs are a pair of elastic and spongy organs that help the body breathe. They are present inside the rib cage in thoracic cavity of humans.

3,922 Questions

Why is PCO2 decreased during rapid breathing?

Rapid breathing can lead to a condition called hyperventilation. Hyperventilation occurs when a person breaths more rapidly than the body demands. When a person hyperventilates, the CO2 blood concentration (partial pressure) decreases below normal levels.

How can you breathe without lungs?

You can't - lungs are vital organs in humans that a person cannot survive without. We can supplement oxygen to lungs and help extremely damaged lungs function well enough to maintain life (sometimes), but you still have to have lungs to breathe and live.

Exchange of gases in the lungs?

blood entering the lungs has a partial pressure of oxygen (PO2) of 40 mmHg and a partial pressure of carbon dioxide (PCO2) of 46 mmHg; alveoli, on the other hand, have a PO2 of 105 mmHg and a PCO2 of 40 mmHg. As the blood moves past the alveoli, oxygen and carbon dioxide will diffuse down their respective partial pressure gradients.

Oxygen will move from the alveolar space (PO2 of 105 mmHg) to the blood stream (PO2 of 40 mmHg). Carbon dioxide will move from the blood (PCO2 of 46 mmHg) to the alveolar space (PCO2 of 40 mmHg).

As the blood leaves the alveolus, the PO2 and PCO2 will have essentially equilibrated with the alveolar air.

What is prominent bronchovascular markings in lungs?

Bronchiovascular marking in the lungs are nothing but the normal making of the blood vessles of the lungs which are supplying to the bronchi and bronchiols these marking are increase in the case of any infection or inflammation.These are reconized by the prominent low density liner opacities in the lungs feild these are more prominent on the hilar region which is suggestive of an infection or inflammation. for more answers and help contact me on amjadkhan.mmkk@gmail.com thanking you

What is the pathway of the blood flow through the heart and lungs in order to get oxygen?

In air through the passageways to the lungs, by diffusion through the alveoli into the blood, by diffusion out of the blood into the cells and through the cells into the mitochondria - where it ceases to exist as oxygen and becomes water.

What does a lung capacity of 39 percent mean?

The lung capacities are measurements of two or more volumes. The vital capacity (VC) measures the maximum amount of air that can be inhaled or exhaled during a respiratory cycle. It is the sum of the expiratory reserve volume, tidal volume, and inspiratory reserve volume. The inspiratory capacity (IC) is the amount of air that can be inhaled after the end of a normal expiration. It is, therefore, the sum of the tidal volume and inspiratory reserve volume. The functional residual capacity (FRC) includes the expiratory reserve volume and the residual volume. The FRC measures the amount of additional air that can be exhaled after a normal exhalation. The total lung capacity (TLC) is a measurement of the total amount of air that the lung can hold. It is the sum of the residual volume, expiratory reserve volume, tidal volume, and inspiratory reserve volume

What is the maximum lung capacity of a human?

The man with the largest lung capacity is a 6'5" rower who now rows for team GB and won a silver medal in the Olympics recently I can not remember his name though.

His name is peter reed, he won gold in the Olympics in the coxless four, Australia came second.

How are oxygen carbon dioxide and other gases exchanged in the lungs and body tissues?

In the lungs, the respiratory zones end in sacs called alveoli, which are the site of gas exchange. The alveoli have walls only one cell thick, and are surrounded by pulmonary capillaries which again have walls only once cell thick; gases diffuse, along their concentration gradients (i.e. from the area of high concentration to the area of low concentration), through these two thicknesses of cells.

You can also find this on Wikipedia.com

What type of cartilage is bronchi?

No, bronchioles (except in the whale) do not contain cartilage.

The bronchioles in whales contain cartilage in order to prevent them from collapsing before other parts of the airways (and trapping gas in the alveoli). This helps prevent the bends - as nitrogen is removed from the alveoli before large pressures cause it to diffuse across the thin walls present there.

What is a blood clot on the lung called Embolus or Embolism?

A blood clot on the lung is called an emboli. The term embolus means the process of forming emboli.

What are chronic effects of exercise on total lung capacity?

Total lung capacity is defined as the volume in the lungs at maximal. Regular aerobic exercise strengthens and tones the heart and lungs, enabling the pulmonary system to increase the maximum amount of oxygen that the lungs can handle.

What is the average capacity of an adults lungs?

I was informed that it was about 75 to 80%. Right, wrong, or ?

What is the follow-up for a lung abscess?

Because lung abscess is a serious condition patients need quiet and bed rest. Hospital care usually includes increasing the patient's fluid intake to loosen up the secretions in the lungs, and physical therapy to strengthen the patient's breathing muscles

What cleans the air and channels it into the lungs through two large tubes called bronchi?

When inhaling, the hairs in the nostrils and villi throughout the whole respiration tract clean the air, by removing the dirt from inhaled air. This dirt is excreted as mucus and is coughed up. - Smokers tend to collect more mucus and dirt in their lungs and cough it up more as they damage their small villi hair through the tobacco smoke. The air they are breathing is also dirtier, so their is a higher percentage of particles collected.

The respiration system is through the mouth/nose, down the trachea, through the bronchi, into the bronchioles, which seperates out into alvioli.

Where are the lungs located?

The lungs are the essential organs of respiration; they are two in number, placed one on either side within the thorax, and separated from each other by the heart and other contents of the mediastinum (Fig. 970). The substance of the lung is of a light, porous, spongy texture; it floats in water, and crepitates when handled, owing to the presence of air in the alveoli; it is also highly elastic; hence the retracted state of these organs when they are removed from the closed cavity of the thorax. The surface is smooth, shining, and marked out into numerous polyhedral areas, indicating the lobules of the organ: each of these areas is crossed by numerous lighter lines. 1

How long does it take for your lungs regenerate after you stop smoking?

No, but they will not pull so hard on the leash afterwards.

It is believed that over a period of several years, a lot of the visible damage is repaired - so much of the tar, etc, in the lungs is eventually removed - but it depends on how long you have been smoking for, and how much other damage was done.

Can you function with 22 percent lung capacity?

== == It depends on what kinds of "active life" your planning on. You may want to see a cardiovascular doctor and discuss with them what you are doing. You may also consider going to a 'easy breathing' class. If you smoke, however, I highly suggest that you do not remain with your active life. Hope I helped, Katherine

What are small tubes in your lungs?

the bronchial tubes are part of an internal structure known as the respiratory tree. This structure is part of the respiratory system, which allows humans to exchange the air in their lungs. People need to breathe in air that is rich in oxygen. the air they breathe out has poor levels of oxygen. the bronchial tubes connect the lungs to the trachea to facilitate this...

What is the term for the tiny air sacs in lungs?

well.... of course they are called scymeonary pronounced sy meo nary by the way did you know wiki answers mostly are wrong! yep, i know... you are surprised dont use wiki answers or else you will get a F!

HOW DOES smoke kill your lungS?

Lung cancer slowly kills a person. When one has a cancer, the tendency there is that the cancer cells travel to different parts of the body and grow. Since it started from the lungs, it can go to liver, bones and spine, kidneys, and brain.

They will be really doing a lot of damage to those organs until the organs finally stops functioning because they interfere the normal functioning. That said, you will be killed. Slowly, but surely.

Sometimes, too much radiation and chemotherapy can add to it since they have side effects when done too much. Those treatments should be carefully talked with the doctor and will be explained thoroughly. They weigh more the benefits of having your life.

please go to http://www.about-lung-cancer.com

it is an information about the disease and a real story of a lung cancer patient.

How many lungs are in the body?

A human body only has 2 lungs inside a part of your ribs called a ribcage. That's where your lungs are located in your body.