Here are just some of the anatomical features that historically ... Today, less than 2% of the global population has red hair—though around 6% of people carry some red hair genetics.
The thyroid gland is part of the endocrine system (along with the adrenal glands, hypothalamus, pituitary, ovaries, and testes, and other endocrine organs). The thyroid gland releases hormones into ...
When your head moves, the fluid in the sacs also moves, stimulating the hair cells. Then, they send the information through the vestibular nerve to your brain. The saccule detects vertical head ...