____ is a toxic substance within a biologic organism that is not normally present and does damage to the metabolism.

The three major parts of a cell are the cytoplasm, nucleus and the 

The _____ produced by the vascular cambium builds up to become the annual rings in a woody stem.

The vertebrate skeleton _____.

Suppose that Taco Bell charges students a lower price for its tacos than it charges adults. This type of pricing is an example of ____ and is ____. 

Isiah urged the Jews to righteousness in their public and private lives

What does the combining form py/o mean in the term pyoderma? ​

What does the term labia mean? ​

A physician would order an angiography for a patient to produce a radiographic study of the _______. ​

A type of radiation treatment for brain tumors performed without knife or incision is known as _______. ​