The respiratory system brings air into the lungs supplying the blood with oxygen. Oxygen is carried throughout the body to the organs and keeps the heart pumping and when the blood circulates back to the lungs the process starts over again.
Answer:
Oxygen, carbon dioxyde
Explanation:
After oxygen was distributed to somatic cells, there are higher concentraion of carbon dioxyde. Therefore, it will move out from our cell to be exhaled by lungs. Vice versa for oxygen
Answer:
Its A- A mutation causes cells to divide without stopping.
Explanation:
<span>A scientist who tries to determine how
the differences in a particular personality trait are correlated with
differences in a particular gene, is using the molecular genetics method. Molecular genetics is a</span> variety of research techniques that scientists use to learn about how genes
are associated with which personality traits.<span> Molecular genetics deals </span>with the makeup
and functions of genetic material at the molecular level.
