An embryo is a early stage of development of a multicellular organism
Worms are an example of a decomposed.
If decomposes were absent of the forest system, nitrogen wouldn’t be able to return to the atmosphere from animal bodies and the corpses of animals would be lying around and rotting away instead of properly decomposing.
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The serous fluid within the pericardial cavity works to lubricate the membranes of the serous pericardium. It is the space between the layers of the pericardium.
<h3>What is the pericardial cavity?</h3>
The pericardial cavity refers to the space between different layers of the pericardium in the heart.
The pericardium is one of the three tissues that form the heart (i.e., pericardium, myocardium, and endocardium).
The pericardial cavity is composed of a serous fluid capable of reducing surface tension and lubricating this layer.
Learn more about the pericardial cavity here:
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