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Answer:
The body of a fish is streamlined because, it increase the speed of the fish in the water. The more the streamlined shapes more easier for the fish to swim in the water.
The space between the parietal layer and visceral layer of the pericardium contains serous fluid. It is a tissue of the hearth.
<h3>What is pericardium?</h3>
The pericardium is one of the three tissues that form the hearth, which also includes the myocardium and epicardium.
The pericardium forms a highly fibrous structure that is capable of holding heart tissues and blood vessels.
Pericardial fluid is composed of a serous liquid that is produced by the pericardium and released into the pericardial cavity.
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Answer: it affects the blood vessels
Explanation:
it affects the blood vessels because excess blood sugar decreases the elasticity of blood vessels and causes them to narrow impeding the blood flow. this can lead to a reduced supply of blood and oxygen, increasing the risk of high blood pressure and damage to large and small blood vessels
Answer: A compound or light microscope
Explanation: