It comes from the hard work of bees,foraging bees suck nectar from flowers, swallow it and store it in a honey crop, a special type of stomach which comes before the actual digestive system stomach. This nectar does not enter the bee's digestive system. As the bees swallow the nectar they add enzymes from glands opening into the mouth.
These blinds are vertical. These blinds are vertical. The definition of vertical is something at a right angle to the horizon. An example of something which would be described as standing vertical is something that is standing directly upright at a right angle to the flat ground.
Vertical Motion is a change in altititude (height). Horizonal Motion is a change in ground track position (i.e., a change in what spot the object is directly over). Often, an object's motion has both a vertical component and a horizontal component (for example when it does diagonally up or diagonally down).