Download
1 / 7
70 likes | 274 Views
Human Hand . By Jonathan Green . There are 27 bones and more than 30 muscles in each hand. The h and bones and muscles help us hold items. The skeletal system and the muscular system help the hand move and do its job like picking things up and latching on to items. .
E N D
Human Hand By Jonathan Green
There are 27 bones and more than 30 muscles in each hand. • The hand bones and muscles help us hold items.
The skeletal system and the muscular system help the hand move and do its job like picking things up and latching on to items.
You can break, sprain or fracture the bones in your hand if you fall on it the wrong way. • This elderly women fell out of her chair and most likely broke or badly sprained her hand. • One-fourth of all of the bones are in your hands.
When you are born your hand has 26 bones. • When you turn into a adult you have 27 bones. • As you age your hand grows larger. • The ganglion bone is a mass of nerve tissue existing outside the central nervous system.
There are 4 nerves coming into the general area of the hand. • When you pop your knuckle joints, they release small bubbles of Nitrogen, which creates the small popping sounds that you hear.
