The respiratory system functions by:
A: sending messages to the diaphragm that cause it to contract.
B: removing carbon dioxide from the cells and returning it to the lungs.
C: ensuring that adequate oxygen is delivered to the body's tissues.
D: bringing oxygen into the lungs and eliminating carbon dioxide.
Answer: D: bringing oxygen into the lungs and eliminating carbon dioxide.
Health Professions
You might also like to view...
Which of the following materials is inherently fire resistive?
A) Steel B) Aluminum C) Masonry D) Wood
Health Professions
All personnel who work in close proximity to radiologic equipment should wear which of the following?
A) Lab coat B) Gloves C) Dosimeter D) Lead aprons
Health Professions