From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

relating to science or practice of medicine. A health check or test.

To get money for work.

Lasting for a long time; continuing. To last for a long time; continue to exist.

state of fact of being present.

internal organ in which major part of digestion of food occurs. Places in the body where food is digested. consume food or drink without feeling or being sick.

not to be relied on or trusted. person thought to be guilty of crime or offence. have idea of existence of something without certain proof.

sympathetically aware of other people's feelings. When you get the meaning correctly; comprehension. To know the meaning of language, what someone says.

Being able to be seen, noticed, or sensed.

achieved or maintained by careful and deliberate effort. To focus on learning something usually at school.

Set of changes that occur slowly and naturally. To convert by putting something through a machine.

Concerning the way people act.

With your attention, concentration on one thing. To see clearly by adjusting your eyes or a camera.

Established pattern or record.

Person who believes in behaviorism.