Glossary

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general diastole

Subject: 

  • Life Sciences

when the entire heart, both of the atria and ventricles, is relaxed.

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compound epithelial tissue
Subject:
Life Sciences

epithelium with numerous layers of cells.

radioactive
Subject:
Life Sciences

emitting (or giving off) radiation energy, which is harmful to living organisms.

boreholes
Subject:
Life Sciences

deep, narrow holes drilled into the earth to reach the ground water in aquifers.

chitin
Subject:
Life Sciences

a tough substance made from a modified polysaccharide that contains nitrogen. It is the main...

fermentation
Subject:
Life Sciences

the process in which micro-organisms, such as yeast, convert sugars into alcohol under anaerobic...