That would be the nervous system.
Not sure why you posted this is this a assignment question if not you shouldent post it!!!!! thanks ....ps mabey you are pregnant
Answer:
It is the most important because people are very important to the development of the country.
Explanation:
People are doing the work. We need the people to work at stores, build, mine, etc. The people of today are the ones that are building the industry making it a better place to live in. People are also important for the research, development, and engineering.
We cannot see the full question because there are question marks instead of words.
Blood carrying carbon dioxide is sent from the heart to the lungs from the pulmonary artery