The vagus nerve is so named because it “wanders” like a vagabond, sending out sensory fibers from your brainstem to your visceral organs. The vagus nerve, the longest of the cranial nerves, controls your inner nerve center—the parasympathetic nervous system. And it oversees a vast range of...
Interesting facts about SMILE ;-) SMILE is universally known as an expression of happiness which is recognized by almost all cultures around the globe. If you smile at the person "working" … Interesting facts abut Human Nerves Since its birth in the human brain is already there are 14 billi...
6. The average person has 67 different species of bacteria in their belly button. 7. You lose about 4kg of skin cells every year! 8. Babies don’t shed tears until they’re at least one month old. 9. Information zooms along nerves at about 400kmph! 10. The human heart beats more ...
They carry signals about physical sensations to the brain and transmit commands from the brain to the muscles. Central nerves are found within the brain and spinal cord. They are responsible for processing and responding to information received from the peripheral nerves. ...
the hypodermis or sub cutis is the deeper layer of the skin, which also stores the fat. The hypodermis also contains the blood vessels, nerves, and the hair follicle roots. The thickest part of the dermis is found on the soles of your feet and the palm of your hands, where it is aro...
The brain itself cannot feel pain.While the brain might be the pain center when you cut your finger or burn yourself, the brain itself does not have pain receptors and cannot feel pain. That doesn’t mean your head can’t hurt. The brain is surrounded by loads of tissues, nerves and ...
Headaches are caused by a chemical reaction in the brain, in conjunction with the muscles and nerves of the neck and head, illuminating the intricate connections between the brain and the body. The brain releases different strengths of brainwaves depending on whether you lived through a situation...
In this WebMD slideshow, you’ll learn the good, the bad, and the ugly about your body -- including some fascinating facts you’ll wish you never knew.
is what you’re feeling is because your body has sent signals to your brain. The vagus nerves cells are 80-90% afferent. This means they send signals from the body to the brain and only 10-20% are efferent, meaning sending signals from the brain to your body to move or do something...
Learn all about the human body's many systems and some of its individual organs, both vital and vestigial.