Human Anatomy

Known as a cervical rib, this additional rib grows from the base of the neck, near the seventh cervical vertebra. While often harmless, it can sometimes cause nerve or blood vessel compression, leading to medical issues like thoracic outlet syndrome.

Despite making up only about 2% of your body weight, the brain is an incredibly energy-intensive organ. This high demand fuels its complex functions, from thinking and memory to controlling all bodily processes, even during sleep.