Coronary arteriography serves as a diagnostic tool in detecting obstruction within the coronary arteries. identify the technique using two catheters inserted percutaneously through the femoral artery.

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.

What is the problem in this article? what solution does the article propose?

Vessels draining the myocardium of the heart, open primarily ,into which chamber?