continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. By a particular way or process; by the use of.

To become a member of.

Not moving around a lot or doing many things.

regulatory substance produced in organism and transported in tissue fluids such as blood. Chemical produced by the body to control functions.

Of thyroid gland or cartilage in neck or throat. large ductless gland in neck which secretes hormones regulating growth and development through rate of metabolism.

For a reason.

systematic investigation into and study of materials and sources. investigate systematically.

physical or mental feature which is regarded as indicating condition of disease. Signs that suggests that there are problems.

Best or most advantageous thing for someone. To persuade to do, become involved with something.

chemical processes that occur within living organism.

Having a big effect on (person, the future).

To manufacture something using machines.

Every person; everyone.

Laws limiting the growth or spread of some things. To direct or influence the behavior of something.

Being special or more than is typical. individual item.