<span>The liquid rise up through the dip tube when the valve is opened. </span>The propellant gas wants to expand as much as it can, so if the valve is open, the propellant expands and pushes the spray up out of the can making more room for itself to expand.
Intestinal gland secretes intestinal juice ,it contains enzymes and their role is to decompose food more and then conduct them into the large intestine or by intestinal absorption to the blood
The Inner layer of tissue is used for digestion.
Answer:
Flow of Energy can be explained by means of two models namely: single channel energy model and Y-shaped energy model.
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