The is the part of the eye that contracts and dilates to adjust the amount of light entering the pupil whereas the has the job of focusing on objects when we are looking at them.

What is histamine and what is its role in allergic reactions

Whay is the following best defines climate

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.