Answer:
The function of the pleura is to allow optimal expansion and contraction of the lungs during breathing. The pleural fluid acts as a lubricant, allowing the parietal and visceral pleura to glide over each other friction free. This fluid is produced by the pleural layers themselves.
Answer:
Heated water from the industries can treated before discharging directly to the water bodies.
Explanation:
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All natural compounds are safe for human consumption.
-False
