Chemical
Organ
Discipline
Biology
Research
Tissue
Field
A part of the body of an animal or plant that performs a particular job.
A particular area of study, especially a subject studied at a college or university.
A group of connected cells in an animal or plant that are similar to each other, have the same purpose, and form the stated part of the animal or plant.
The scientific study of the natural processes of living things.
A detailed study of a subject, especially in order to discover (new) information or reach a (new) understanding.
A place where you are working or studying in real situations, rather than from an office, laboratory, etc.
Any basic substance that is used in or produced by a reaction involving changes to atoms or molecules.