|
 | You have 25 layers of skin cells. When new cells form the bottom layer they push the other cells. | |
|
| Hey,How many layers of skin do you have? | |
|
|
|
|
|
|
| Yes, it is a group of organs that work toegther to carry out a life process. | |
|
| Do you know what a organ is system is. | |
|
|
|
|
|
|
| how many muscles do you have in your body? | |
|
| You have 640 muscles in your body. | |
|
|
|
|
|
