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Features of gas exchange surfaces
- Have a large surface area relative to the volume of the organism.
- They are thin, so have a short diffusion pathway.
- They have a moist surface where gases can dissolve first before they diffuse in our out.
- They are able to maintain the diffusion gradient down which the gases can diffuse.
- Have a large surface area relative to the volume of the organism.
- They are thin, so have a short diffusion pathway.
- They have a moist surface where gases can dissolve first before they diffuse in our out.
- They are able to maintain the diffusion gradient down which the gases can diffuse.
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How does gaseous exchange take place in the lower plants?
In lower plants such as mosses and liverworts, gaseous exchange occurs through simple diffusion across the cell membranes. These plants lack specialized structures like stomata found in higher plants, so gases enter and exit the plant cells directly through their surfaces. This process is limited by the surface area available for exchange, making lower plants reliant on moist environments for efficient gaseous exchange.
What is the life process that the pores in the leaves are responsible for?
Gaseous exchange
What is the function of stomates in a plant?
Gaseous exchange and evaporation of water vapour
What is the function of a leafs stomata?
Help in gaseous exchange
What is the name of the process by which gaseous exchange occurs at the AC membrane?
The process by which gaseous exchange occurs at the alveolar-capillary membrane is called external respiration. This involves the exchange of oxygen and carbon dioxide between the alveoli in the lungs and the blood capillaries surrounding them.
What is the name for exchange of gas in the lungs?
gaseous exchange
What is the difference between ventilation and gaseous exchange?
Gaseous exchange is a natural process, ventilation is a forced process.
Why are the gaseous exchange surfaces of most terrestrialland livinganimals inside their bodies?
Gaseous exchange surfaces inside the body of terrestrial animals help to protect the delicate respiratory membranes from drying out and damage. This internal arrangement also helps to regulate gas exchange and maintain proper moisture levels, especially in dry environments. Additionally, it provides a more controlled and efficient system for exchanging gases such as oxygen and carbon dioxide with the bloodstream.
How does gaseous exchange take place in the lower plants?
In lower plants such as mosses and liverworts, gaseous exchange occurs through simple diffusion across the cell membranes. These plants lack specialized structures like stomata found in higher plants, so gases enter and exit the plant cells directly through their surfaces. This process is limited by the surface area available for exchange, making lower plants reliant on moist environments for efficient gaseous exchange.
Where is the site for gaseous exchange?
The site for gaseous exchange is the lungs. Carbon dioxide is exhaled and is substituted for oxygen which is inhaled.
What exchange takes place in the lungs?
gaseous exchange - in the alveolis
Where in the lungs does gaseous exchange take place?
alveoli is the site for gaseous exchange. They are the air filled sacs where carbon dioxide and oxygen is exchanged
What is the work of capillaries?
allow gaseous exchange
What is the concept of gaseous exchange in human?
the lungs
What is gaseous exchange and how does it work?
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What 2 types gaseous exchange?
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What is the work of the capillaries?
allow gaseous exchange
