Our is part of a network of bloodvesswls that distribute and collect meterials from throughout the body brain liver heart none of the above

The question is somewhat confusing.  I would choose "none of the above" because none of the choices are blood vessels.  However, the heart is the pump that moves blood through the network of blood vessels that distribute and collect materials throughout the body.

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

mark as brainlest

gokuson