SYSTEMS
find out some of the amazing systems!
Systems
find out about some amazing systems around and in us! Such as:
- plant systems
- animal systems
plant system
a plant system has:
- roots
- leaf
- stem
- flower
pictures of systems
more about digestive system
fun facts!!!!!!!!!!!!!!!!!!
- do you know that your total length of blood vessels is about 120 thousand kilometers long?!
- do you know that gastric [digestive] juices in your stomach can melt metal?!
- do you know that E-coli can be good or bad? normal E-coli is good for the body.but there's another type of E-coli that is bad!