The vaginal canal has a collapsed, folded structure (rugae) that expands when aroused or during childbirth. These folds increase elasticity and surface area. nudes
Every two minutes, we take more pictures than all humankind did in the entirety of the 1800s. (Bonus fact: Photography was invented in 1826, that's 200 years ago this year!)
An erection is a vascular process where the corpora cavernosa fill with blood, increasing in length and thickness, often initiated by the parasympathetic nervous system.
Different parts of the nail matrix contribute differently to nail thickness
Studies indicate about 79 % of the thickness of the nail plate comes from the nail matrix, while the remaining 21 % is contributed by the nail bed — overturning the notion
While you’re on the ground, you can only observe the classic semi-circular rainbow (hence the word ‘bow’). However, when you’re flying in an airplane and looking down below, you can actually see a rainbow as a complete circle! If the weather circ