How are oxygen and carbondioxide transported in human beings ?

Question

Answer

Oxygen is absorbed by the blood capillaries from the lungs alveoli by diffusion while carbon-dioxide is absorbed by the lungs alveoli from blood capillaries by diffusion. ... Oxygen is transported from lungs to the bodycells in the form of oxy-hemoglobin.

Answer

Look dude...

transport of oxygen....

* most of oxygen about 97% is carried by haemoglobin as oxyhaemoglobin....in the RBCs....

* by there it is transported from lungs capillaries to different cells and tissues of the body...

* about 3 % is dissolved in blood plasma...

now... transport of carbon dioxide...

* 70-85 % is transported by blood plasma in the form of sodium..

* 23% combine with haemoglobin

* 5-7 % dissolved in plasma...

hope it's clear ..mayybe...!

Answer

Transportation of Oxygen and Carbon Dioxide in Human Beings:

Oxygen and carbon dioxide are two essential gases involved in the process of respiration in human beings. They are transported within the body through various mechanisms to ensure an adequate supply of oxygen and removal of carbon dioxide. Let's discuss in detail how oxygen and carbon dioxide are transported in human beings.

Transportation of Oxygen:
1. Inhalation: Oxygen is first inhaled through the nose or mouth during the process of breathing.
2. Respiratory System: The respiratory system consists of the lungs, where oxygen is exchanged with carbon dioxide. Oxygen enters the bloodstream through the alveoli, which are tiny air sacs in the lungs.
3. Hemoglobin: Oxygen binds to hemoglobin, a protein found in red blood cells, forming oxyhemoglobin. This allows for efficient transport of oxygen throughout the body.
4. Red Blood Cells: Red blood cells carry the oxyhemoglobin from the lungs to various tissues and organs in the body.
5. Capillaries: Oxygen diffuses from the red blood cells into the surrounding tissues through capillaries, which are tiny blood vessels.
6. Cellular Respiration: Oxygen is utilized in the process of cellular respiration within the cells, where it helps generate energy.

Transportation of Carbon Dioxide:
1. Cellular Respiration: Carbon dioxide is produced as a waste product during cellular respiration in the cells.
2. Carbonic Acid: Carbon dioxide combines with water within the red blood cells, forming carbonic acid (H2CO3).
3. Bicarbonate Ions: Carbonic acid dissociates into bicarbonate ions (HCO3-) and hydrogen ions (H+).
4. Plasma: Bicarbonate ions are transported in the plasma, which is the liquid component of blood, from the tissues to the lungs.
5. Reverse Reaction: In the lungs, carbonic acid is converted back into carbon dioxide and water through a reverse reaction.
6. Exhalation: Carbon dioxide is then exhaled out of the body through the lungs during exhalation.

Summary:
In summary, oxygen is transported in the bloodstream by binding to hemoglobin in red blood cells and is then delivered to various tissues and organs. Carbon dioxide, on the other hand, is produced as a waste product during cellular respiration and is transported in the form of bicarbonate ions in the plasma. It is eventually exhaled out of the body through the lungs. These transportation mechanisms ensure a constant supply of oxygen to the cells and the removal of carbon dioxide, allowing for proper functioning of the human body.

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