Digestive+Systems

Body Structure! Digestive Systems- We learn't about digestive systems,​Are mouths start to break when we eat the degistivechemicals are called is enzymes.in are stomach there are 8 parts there are call Liver,Pancreas,appendix,Rexton,gali bladder,stomach,small intestine. Your food stays there for 4 hours in your stomach till it goes and it goes watery mixture.

~!$ketel!~ -In the sketel systems your boners is made out of material lots of different boners has a hard tubes.You get 106 boners in our feet and hands, At birth your 350 bones, Adults as 28 skull 26 veteral. 24 ribs bones 120 bones in hands and legs and few around your bones.Some people have extra bones.Humans and girrafe neck have same amount of bones.The ligament stretcgwhen you bend and when it goes back it's like rubber band.Before birth your skeleton is all ligament and your bones is cartlige.Your boners grow by adding lares.The largest joint is in the hip and arm that is called joint is called the ball socket joint. When your grow boners together it will make less boners.When you born you start with 300 bones and when you adult you get more than 200 bones.Your shoulder boners can move 360.Living cells repair bones muscles.

Muscular Systems-Your bone has 630 muscles in your body that can move,You have 40% body weight Muscles,Yourmuscle can move different direction or oppisite direction.