The process of physical change in state, that occurs when water vapor or gas converts into a liquid is condensation. According to the kinetic molecular theory, the particles lose kinetic energy and slow down and thus become more arranged and have a definite shape but an indefinite volume, a liquid.
Answer:
cell wall,vacoule,and plastids are not present
This the respiratory system!
The major organ of the respiratory system is the lungs, and in the lungs the air gets divided among smaller and smaller tubes at the end of which the oxygen enters and carbon dioxide leaves the blood!
There are 2 of them :-
1) Phagocytes
2) Macrophages.
These WBCs attach themselves to disease causing pathogens & then engulf them resulting in the destruction of the pathogens.
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Hope it helps!
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