Which is a highly contagious bacterial infection of the lungs?

Hi there! Thanks for asking a question here on . ✉

Pertussis is a highly contagious bacterial infection of the lungs.

Pertussis

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia

Ican only answer your first question, a machine is like a human body because it's a little similar. they both almost work like the same.

Force and balance. you get agility from balance and the force you use, and leverage can only be attained by using the force to get it. hope that