forceful or violent effort to get free of restraint. make forceful or violent efforts to get free of restraint or constriction.

lack or shortage.

any of class of nitrogenous organic compounds. Groups of molecules made from amino acids.

Lacking something necessary.

belonging to same family or type. To demonstrate a logical relationship between.

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.

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

used for emphasis with following adjective functioning as adverb. thing that is unspecified or unknown.

Something required in a business contract; term. To improve something to make it better.

statement or event that warns of something or that serves as cautionary example. To tell someone about possible danger.

used to refer to thing, no matter what.

To understand something being said or read.

substance that provides nourishment essential for maintenance of life and for growth. Chemical living things need to be healthy.

break down food in stomach etc..

relating to system.