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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 area
- a thin permeable surface
- a moist exchange surface.
Read more: How_does_gas_exchange_take_place
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Describe How the cell of stems exchange gases across their barriers?
Gas flows from higher partial pressures to lower partial pressures between cells
How exchange of gases takes place in plants cell?
exchange of gases respiration and photosynthesis takes place through stem of the plant, the stem is green enough to carry the property of leaves, as in normal plants.. while exchange of gases in huge tree trunks takes place through lenticels, which are present in barks of the trunks... exchange of gases-respiration and photosynthesis- takes place through stem of the plant, the stem is green enough to carry the property of leaves, as in normal plants.. while exchange of gases in huge tree trunks takes place through lenticels, which are present in barks of the trunks...
What are the tiny air sacs called where the exchange of gases between air and blood take place?
Alveoli.
Why do unicellular organism do not need a system for transport a material?
Unicellular organisms are small and have a high surface area-to-volume ratio, allowing for efficient diffusion of materials in and out of the cell. Their simple structure and small size means they can rely on diffusion to transport materials within the cell and with their environment without the need for a complex transport system like that found in multicellular organisms.
How many times have multicellular organisms evolved from unicells?
none :) a bacteria is considered to be unicellular but there are many bacteria that live in clusters or are filamentous, in that case the intercellular interaction is more important and we can in a way see that as a multicellular organism. Theoretically a bacteria is unicellular , always !!
Describe How the cell of stems exchange gases across their barriers?
Gas flows from higher partial pressures to lower partial pressures between cells
What is the process by which the exchange of gases takes place?
Diffusion.
How does the exchange of gases take place in the human body?
Gases takes place by nasal passage go to lungs to purifi.
Where do the exchange of gases in spiders take place?
Book lungs.
Where does the exchange of gases take place during respiration?
The lungs.
How does exchange of gases takes place in plants?
exchange of gases respiration and photosynthesis takes place through stem of the plant, the stem is green enough to carry the property of leaves, as in normal plants.. while exchange of gases in huge tree trunks takes place through lenticels, which are present in barks of the trunks... exchange of gases-respiration and photosynthesis- takes place through stem of the plant, the stem is green enough to carry the property of leaves, as in normal plants.. while exchange of gases in huge tree trunks takes place through lenticels, which are present in barks of the trunks...
What blood vessels do the exchange of gases occur?
the blood vessel which allows gas exchange to occur is the capillaries
During respiration the exchange of gases takes place through the walls of the what?
During respiration the exchange of gases takes place through the walls of the alveoli. From there, the oxygen is taken by the blood to the body tissues.
What process takes place at the capillaries?
gases exchange .to release heat.
The exchange of respiratory gases in a cell takes place through the?
the lungs
Where does the exchange of respiratory gases occur in the amoeba?
Small organisms, like a amoeba's, have large surface area : volume ratios which means the exchange can take place by diffusion through the cell wall, the same as any other single celled organsism.
How does the exchange of different gases takes place in the human body?
through respiration
