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Oxygen must diffuse through the cell membranes of the alveoli in the lungs. This diffusion depends upon the concentration gradient between the air in the lungs and the dissolved oxygen in the blood moving through the lung tissue. Air is only about 20% oxygen, so in order to load up the blood with oxygen, there must be lots of surface area for diffusion from the air.
To allow for huge amounts of oxygenated blood be diffused from the alveoli to a capillary network. and for CO2 to travel form the blood capillary network into the alveoli. The surface area is huge because massive amounts of O2 and CO2 are diffused each minute= around 6- 10 liters.
Whilst exercising you can use around 100 liters of oxygen per minute.
Human lungs have a large surface area so that gas exchange can take place more efficiently and effectively. Carbon dioxide must come out of the blood and into the inspired air while oxygen must be absorbed by the blood from that air. A larger surface area means more area (more places) for gas exchange to take place.
Alveoli in the lungs increase the overall surface area of the lungs, to encourage more diffusion to take place, so that a greater volume of oxygen / carbon dioxide can be transferred out of / into the lungs.
it need room for oxygen to travel in an out.
What else can I help you with?
What is an example of an organ system?
it all what you have in your body lol
How does gas exchange take place?
Gas exchange takes place at a respiratory surface-a boundary between the external environment and the interior of the organism. For unicellular organisms the respiratory surface is governed by Fick's law, which determines that respiratory surfaces must have:a large surface areaa thin permeable surfacea moist exchange surface.
What are the eleven body systems?
skeletal. nervous. muscular. integument. cardiovascular. respiratory. urinary. lymphatite. digestive. reproductive. That's ten of them. (:
What does the beating action of cilia do?
In single celled organisms, the beating action of cilia cause the organism to move. In large animals like people, the beating action of cilia in the respiratory system force mucous and contaminates upward into the mouth and away from the lungs.
What is the respiratory surface of a plant?
A respiratory surface is located anywhere in an animal or human being where gas exchange occurs. A respiratory surface is located anywhere in an animal or human being where gas exchange occurs.
What are the characteristics of respiratory surface?
large area
What large muscle is important to the respiratory system?
lungs
Name the respiratory surface in the lungs?
Respiratory surface is the region where gaseous exchange occur. It includes respiratory bronchiole, alveolar duct and alveolus. Large surface surface is needed the increase the diffusion rate of gaseous. Respiratory surface also exhibit other properties such as moist and only one-cell thick. Nika G.
What is the large surface of the small intestine?
The large surface area of the small intestine is achieved by a combination of anatomical features such as the plicae circularis, the vili, and the microvilli.
What system do spiracles open into on a grasshopper?
large tracheal tubes which are part of the respiratory system
What are large air sacs in the respiratory system?
where there's air in your intestines
What is large surface area of the small intestine?
The large surface area of the small intestine is achieved by a combination of anatomical features such as the plicae circularis, the vili, and the microvilli.
What multiplies a force by transmiting it to a large surface area?
A hydraulic system multiplies a force by transmitting it to a larger surface area. This is achieved by using a fluid that is enclosed in a system of pipes and cylinders, allowing the force to be transmitted over a larger area, resulting in a greater output force.
What are the two large lightweight organs of the respiratory system?
These two organs are the lungs.The lungs are these two organs.
What multiplies force by transmitting it to large surface area?
A hydraulic system multiplies force by transmitting it to a large surface area. This is achieved through the use of a hydraulic fluid enclosed in a system of pipes, cylinders, and pistons. When force is applied to a small piston, it results in a larger force at the larger piston due to the difference in surface area, allowing for heavy objects to be lifted or moved with relative ease.
Gases diffuse most efficiently across a respiratory membrane if the membrane is?
thin and moist, with a large surface area and a large concentration gradient.
Why is thermoregulation more effectively achieved in larger animals than in smaller ones?
Thremoregulation is easily achieved in large animal as they are able to retain the heat gained. In small animal the surface area is large as compares to their volume and hence gain or loose heat faster. large animal having smaller surface area as compared to their volume gain heat slower.
