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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

What make up the lungs?

The lungs and respiratory system allow oxygen in the air to be taken into the body. The lungs' main function is to help oxygen from the air we breathe enter red blood cells. Red blood cells then carry oxygen around the body to be used in the cells found in our organs and tissues such as the lungs.

What is the function of the pleural membranes?

The pleura is a slick, wet, shiny membrane. It is the outer most layer of tissue surrounding the lungs and also the inner most layer of tissue coating the chest wall. The pleura provide well lubricated surfaces of the chest wall and lungs to contact each other with minimal friction during respiration.

What is the purpose of the tropic of cancer?

The word cancer is the Latin for crab.

The Tropic of Cancer is so called because the sun was in the constellation of Cancer when it appeared directly overhead at this latitude during the summer solstice.

What are the two gases that are exchanged during the breathing process?

The function of the respiratory system is to exchange oxygen and carbon dioxide. You breath in air that is rich in oxygen and your lungs move it into the blood to go throughout your body. Then your lungs extract carbon dioxide from the blood and you breath it out.

What is material that leaves the blood and travels through the lungs before leaving the body?

Carbon dioxide (CO2) is a harmful waste material that leaves the blood and travels though the lungs before leaving the body.

Which animals have lungs?

Most land vertebrates including all birds, mammals, and reptiles have lungs. Most amphibians have lungs as well, though some salamanders breathe through their skin or through gills. A few types of fish have lungs as well

Spiders and gastropods and among the few invertebrates to have lungs. Most breather passively through spiracles, their skin, or through gills.

How does lungs keep your body healthy?

Your lungs take in the oxygen that you breathe and takes the oxygen around your body with red blood cells through the veins and arteries.

They pump air into your blood which goes around you body to kill bacteria/virus, give cells nutrients, and heal wounds. If your lungs are destroyed or you don't breath then you would die usually.

Why are the alveoli in the lungs lined with simple squamous epithelial tissue?

To allow passage of materials by diffusion and filtration in sites where protection is not important; secretes lubricating substances in serosae.

What is it called when oxygen moves from the lungs to the bloodstream?

diffusion - the natural movement of particles from high to low density. oxygen dissolves in a film of liquid water lining the alveoli (tiny air sacs in the lungs) and the wall of the alveoli and wall of the capillary (each 1 cell thick) into the blood in the capillary. the oxygen is moving from the high concentration of oxygen in the lung to the low concentration of oxygen in the blood. this low concentration is maintained in the blood since it continuously flows away and is replaced by oxygen poor blood. the high concentration of oxygen in the lungs is of course maintained by breathing in fresh air.

How are gaseous exchange of gases continue in lungs during expiration?

The air inside the lungs is never replaced completely. 1500 ml of air is always present in the lungs. Therefore,gaseous exchange continues in the lungs even during expiration .

Is lung capacity affected by doing sports?

By doing sport, you will most likely get increased lung capasity.

Just do not overdo it.

There is no quick way to get increased capacity.

Overworked lungs might be damaged and create scartissue of which will reduce capasity instead.

Regards.

What are the terminal ends of the bronchi?

Bronchi is branched in primary and secondary. bronchi is branch of bronchus.

Where is connective tissue in the lungs?

elastic connective tissue is found in the lungs. The tissue is able to extend when forces are applied to stretch it, yet returned undamaged to its previous condition when the force is released.

What is serous membrane of the lungs?

The pleural membrane which contains fluid to prevent friction

How does the diaphragm pull air into and out of the lungs?

When the diaphragm expands, causes the lungs to become smaller forcing all the air in the lungs to be pushed out since there is more pressure. When the diaphragm contracts, it makes more room for the lungs to expand, forcing air in the lungs since there is more space.

How does the air that humans breathe enter the lungs?

air enters the blood from the lungs by a chemical called hemoglobin which makes your blood red. As air enters your lungs if fills up a number of tiny membrane sacks that are covered in tiny capillaries(blood vessels)the oxygen is pulled through the membrane and attracted to the hemoglobin where is it moved through the body to provide chemical energy for your body while at the same time swapping the oxygen with Co2 which then does the opposite and leaves the lungs.

please feel free to add anything that i have missed.

Where are the lungs found in the body?

The lungs are found inside the chest. They are protected by the ribs. The windpipe joins the lungs to the mouth. The lungs are pink in colour because of the blood vessels. The lungs feel spongy when touched. They float in water because of the air inside them.

What effects your lungs?

Asthma is the result of an allergic reaction, which affects the lungs by inflaming the linings of the bronchioles, making it harder to breathe and creating the 'wheezing' sound.

With asthma there are 3 elements to it.

1) inflammation

2)mucus plugging

3)bronchospasm

When you get an asthma attack you have to be exposed to an irritant which causes inflammation in the bronchioles. Because of this inflammation your body produces extra mucus which creates mucus plugging and then you get bronchospasm which decreases the size of the bronchioles which creates the wheezing sound when an asthmatic exhales. With this decrease in bronchioles the body is unable to exhale air in the lungs which becomes trapped. After a while the pressure can build up to a point where you can't breathe anymore and you could have a collapsed lung which could become tense and with that pressure on the heart, could go in to cardiac arrest.