what do you mean by term minute pore?
what is double circulation . explain in your own words??
how does the process of digestion completed??
Answers
noun. A minute opening in a surface, especially the skin or integument of an organism, through which gases, liquids, or microscopic particles may pass. 'Stomata are minute pores in the surface of leaves through which water vapor and gases, including carbon dioxide, pass. ' More example sentences.
1 st one ans .
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Explanation:
Double Circulation
:
The human heart is four-chambered with upper chambers called atria and lower
chambers called ventricles. The right atrium and ventricle receive the deoxygenated
blood from the body organs and pump it to the lungs. The left atria and ventricles
receive the oxygenated blood from the lungs and pump it to the body organs. Hence,
the blood flows through the heart two times and completes the two circulations
called double circulation