A persons biological because its the only one that makes sense according to the study of genetics. EX: X chromosome are always in females eggs, while the x & y chromosome is in the male.
A. But, if doing cpr on babies and infants you should only use 2 fingers
Answer:
The Cilia are tiny hairs the protect your nasal passageway and other parts of the respiratory tract. They filter out dust and other foreign particles that try to enter your body when you breathe.
The respiratory system is also lined with a mucous membrane that acts as a secondary defense towards foreign objects that the Cilia fail to catch. The Cilia and mucous act together to clear the system from foreign objects.
Explanation:
