B. Formal operational stage of cognitive development
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.
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Transcribed text From Image: A human cell placed into a hypertonic solution is likely to increase in size. burst as a result of osmosis. remain unchanged. lose water by osmosis.
They unite to form a zygote then an embryo. Most produce both male and female gametes.
Birth rates are higher in LEDCs or LICs and the people becoming pregnant are at younger ages. A way to decrease birth rates is to teach people about contraceptive methods. This also means less disease is spread.
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