Hi there!
The nose, diaphram, and lungs are all part of the respiratory system.
The respiratory system's job is to get you breathing; to get oxegon and nitrogen in your lungs and get carbon dioxide out.
Hope this helps!
Answer:
2,4,5 for vulnerable, 1,3 for not
Because of <span>Presbycusis or age-related hearing </span><span>loss</span>
The answer is C - recording all physical activities in a journal.