Which of the following parts of the nervous system would carry messages from one’s sore knee to the brain and spinal cord to alert the person to stop running and rest?

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

How are fossils used to date organisms?

Why do mountaineers become breathless as they reach high altitudes