Research on telomeres reveals that they may be key in understanding sex differences in what?

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it