Hello User,
Answer:
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
Answer:
A failing grade in the class. A formal reprimand. Permanent expulsion from the school. Academic probation
Explanation:
Hope this helps
Correct e if this is wrong
Answer:
I believe the answer is A. Immune system and B. antibodies.
Explanation:
I think this is it because cancer is caused by multiplying cells in the Immune system, and the body is at war with itself, so that's why I believe this is the answer. Also because the antigen system is blood types, and that seems kinds irrelevant to the question. Hope this helps!
