Your gut is sometimes called the “second brain”. The gut has 100–500 million neurons, forming the enteric nervous system that controls digestion independently of the brain.
Nipples don’t have muscle inside them — the erection of the nipple happens because of tiny smooth muscle fibers in the areola that contract in response to cold, touch, or sexual arousal.
Many fitting rooms in clothing stores use slightly angled mirrors and lighting placed above eye level to make customers look slimmer and more flattering. The combination of downward lighting (which creates shadows) and angled mirrors can subtly change ho
The terms "Abracadabra" and "Hocus Pocus" have no established or agreed upon origin? Scholars disagree, so for now it's like the words just appeared out of thin air!
The vaginal canal has a collapsed, folded structure (rugae) that expands when aroused or during childbirth. These folds increase elasticity and surface area.