Medical; a small parts in a cell that help your body to turn food into energy.

microscopic organism. Extremely small living thing that cannot be seen.

infective agent that is able to multiply only within the living cells of a host. Files secretly put on computers to cause harm.

A colorless chemical element without a smell.

Thing you think about so much it's unhealthy.

member of large group of unicellular microorganisms.

arrangement of and relations between parts or elements of something complex. The ways some things are built, arranged or organized. To make or build with an organized framework.

living organism. Living creatures that are not plants or people.

Focusing on the bad aspects; pessimistic. no. Image on camera film used to make a photo. refuse to accept.

organism consisting of cell or cells in which genetic material is DNA in form of chromosomes contained within distinct nucleus. Organisms with cells characteristic of all life forms except primitive microorganisms such as bacteria.

branch of science that deals with microorganisms.

Groups of things that are similar in some way.

To make someone known to another by name.

as stated by. To be in harmony or agreement; consent.

gladly received. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.