The answer would be A. a virus
The question states that the blood was filtered thru a porous material that prevented <u>all cells </u>from passing thru.
All of the options are cells except viruses.
Hope this helps:)
Frontal bone, lacrimal, maxilla, ethnoid, zygomatic and palatine contribute to the formation of the orbit.
Happy Studying! ^=^
Y chromosome found in males which influence the degree of maleness
A bond formed by the electrical attraction between two oppositely charged is?
(B) IONIC BOND
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