A genome is an organisms complete set of DNA. DNA is what makes you, you. It provides the "blueprints" for what proteins need to be created in order to make each organism. Thus, the human genome is like the blueprints of a house as they are both the starting point for each new creation.
It's caused by blood pooling in the legs, so there's insufficient return to the heart and brain. Normally, moving one's legs helps to pump blood back to the heart through muscle contraction. Locking the knees makes standing still easier, but reduces use of the leg muscles. In some people, this pooling may lead to hypoperfusion of the brain and fainting, which is essentially the body's way of putting the brain and the legs and the heart at the same level.
D: Heavy rain, cooler weather and clear days
