¿Que tipo de inmunidad participa en la defensa del cuerpo contra el Coronavirus.?

What is the problem in this article? what solution does the article propose?

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

According to these anatomical structures which two animals are probably most closely related