It comes from the body when it containly exchanges throught the lungs.
Oxygen from the air is sent into the blood and carbon dioxide is removed by gas exchange through alveoli sacs present in the lungs.
Gaseous exchange
Help in gaseous exchange
Carbon dioxide is important to life for various reasons. The main reason of course is the gaseous exchange process. This is beneficial to plants and animals as well.
This happens by Diffusion
Gaseous exchange and evaporation of water vapour
Gaseous exchange is a natural process, ventilation is a forced process.
by the process of photosynthesis
Gaseous exchange
In earthworms the gaseous exchange takes place from their skin
Help in gaseous exchange
gaseous exchange
Because to carry out the process of diffusion of gas.
The site for gaseous exchange is the lungs. Carbon dioxide is exhaled and is substituted for oxygen which is inhaled.
gaseous exchange - in the alveolis
alveoli is the site for gaseous exchange. They are the air filled sacs where carbon dioxide and oxygen is exchanged
The stomata are meant for gaseous exchange, however transpiration also occurs when they are open.
allow gaseous exchange