Answer:
O Testable question are answered by looking up the answer ina book.
Nucleus is the correct answer. I am 100% sure
The correct answers are:
Viruses are bundles of genetic material enclosed in a capsid.<span>
</span>Viruses are not living, so D is incorrect.
Viruses are much smaller than bacteria, so A is incorrect.
The tissue type found in kidney glomeruli and corpuscles; air sacs of lungs; the lining of the heart, blood vessels, and lymphatic vessels; and the lining of serosae is simple squamous epithelium.
Lymphatic vessels are the large network of tubes that carry the lymph fluid from different parts of the body. These vessels are also involved in the transport of immune cells. The vessels are composed of a thin layer of smooth muscle, and adventitia that helps in binding of vessels to the surrounding tissue.
Simple squamous epithelium tissues consist of a single layer of flattened cells. This structure makes the tissue relevant for structures like air sacs of lungs or the lining of the heart, therefore to make the transport process easier.
To know more about lymphatic vessels, here
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