antigen

समान श्रेणी के शब्द एक्सप्लोर करें

• antibody

  a protein that helps fight infections

• cell

  A small room in a prison.

• enzyme

  A protein that speeds up chemical reactions.

• fat

  A natural oily substance in bodies or food.

• immunity

  exemption from an obligation

• infection

  the invasion of germs causing illness