Muscles and organs derive the most benefit from the blood that flows in the arteries and capillaries because they obtain food substances and oxygen while releasing wastes.
DNA microarrays allow the rapid and simultaneously SCREENING of many thousands of genes.
The human microbiota is the aggregate of microorganisms thatresides on or within any of a number of human tissues and biofluids including the skin mammary glands placenta seminal fluid uterus ovarian follicles lung saliva oral mucosa conjunctiva and gastrointestinal tracts.
We could send aliens information that is good about us not the bad things. Don't share weaknesses, because that could probably lead to some bad things. We should share valuable info with the aliens.