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!
I would have to guess TRUE because cardiac means heart.
I would use assessing your health, By learning about your body, your situation, what your numbers mean, and what to do about it, you can prevent many future health problems.
Systemic or possibly arterial circulation.
