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Red blood cells have a larger surface area relative to their volume due to their unique biconcave disc shape. This design increases the surface area available for gas exchange, allowing for more efficient uptake of oxygen and release of carbon dioxide. The increased surface area also facilitates the movement of red blood cells through narrow capillaries, enhancing their ability to deliver oxygen throughout the body.
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How has red blood cell adapted to membrane surface area?
The red blood cell's biconcave shape increases its surface area for diffusion. The lack of a nucleus makes this shape possible.
Why is the small size of the capillaries surrounding the alveoli important physiologically?
The size of the capillary is smaller than the red blood cells. The exact reason for this is not known. The red blood cells get folded when they pass through the capillaries. This phenomena buy time for the blood to flow through the capillaries, probably. Secondly it will create larger surface area of total number of capillaries to flow the same amount of blood. You have better exchange of gases through larger surface area.
Why does a red blood cell have a large surface area?
To hold more oxygen.
What is the advantage of the biconcave shape of the red blood cells?
The advantage of red blood cells' biconcave shape is that the surface area is increased to allow more haemoglobin to be stored in the cell. This means that the red blood cells can acquire a greater volume of oxygen than if they had a flatter membrane.
Why do red blood cells need a hole in them?
more surface area to absorb oxygen
What is the importance of the shape of biconcave of red blood cell?
Red blood cells are bi-concave so that they can store more haemoglobin. This gives each cells a greater affinity for oxygen, allowing more to be transported around the body. In other words, the surface area is increased.
Do the round shape of blood cells give then extra surface area?
Yes, the round shape of blood cells (specifically red blood cells) allows for a larger surface area-to-volume ratio, which is important for efficient gas exchange. This shape helps oxygen and carbon dioxide diffuse more easily across the cell membrane.
If red giants are cool stars why are they so bright?
Red giant stars emit less light per square meter of surface area than smaller, hotter stars, but their larger size means they have a larger surface area from which to emit light, so they emit more light overall.
Why is there a dip in the centre of a red blood cell?
To increase the surface area so that the blood cell can carry more haemoglobin and, therefore, oxygen.
How does the red blood cells help the cell carry out its function?
the dip creates a larger surface area, meaning more oxygen can be transported. it also means the cell is more flexible and can squeeze through capillary walls.
How is the function of the red blood cells related to its function?
The biconcave shape of the red blood cell increases its surface area, this means theres a higher probability that oxygen will bind with the cell.
Why are red blood cells concave?
Red blood cells are concave to increase their surface area, allowing for more efficient uptake and release of oxygen and carbon dioxide. This shape also gives the cells flexibility to squeeze through narrow blood vessels without rupturing.
