Type of protein that is often used in skin cream and in plastic surgery because it makes skin look younger.

disturbance from proper, original, or usual place or state. Acts of moving a thing out of its natural position.

person qualified to treat sick people. People paid to help people become or stay healthy. falsify document or picture.

knowledge or perception of situation or fact.

connecting. word or phrase whose function is to link other linguistic units.

undergoing natural development by increasing in size and changing physically. Act of cultivating plants for food. To get bigger and more mature; make plants do this.

Important well-respected person. Person who is not known or named.

unwelcome or harmful matter. Questions to show understanding of a math concept.

causing difficulty or annoyance.

To be able to survive under specific conditions.

involving several parts or elements. number exactly divisible by another number.

give food to.

cause, explanation, or justification for action or event. Explanations for why some things occurred or was done. To think and make conclusions in a logical manner.

To determine the cause of an illness or problem.