Part of us humans daily life.
They have more access to development, large factories, and more cars. industrialized nations frequently have a higher population
Answer:
The circulatory system, also known as the cardiovascular system, is a simple loop which starts, and ends, with your heart. It is a closed system, meaning blood does not enter or leave the system during its journey from your heart to your body and back again.
Explanation:
Answer:
4? am aint sure sorry,but base on the website 4
