it is an organ!
It's an organ. The organ system it belongs to is the digestive system, and it is made up of several types of tissues (epithelial, muscle, etc.), so it can't be a system or tissue in itself.
The organ where nutrients are absorbed is Small intestine
At the centre of a cell ---- ---- ----
neurone is a tissue
to culture any organ , tissue or cell from single cell called cell culture. to grow any tissue or organ from a tissue called tissue cultured. and formation of any organ from source organ is called organ culture. in short according to the source of culture any cultured are named.
The ileum refers to the last part of the small intestine, and is composed of many cells.
I think it goes Cell,Tissue , Organ, and then Organ System
it is a cell
plant cell has an cell
Starting with the lowest level: cell ---> many cells make a tissue---> many tissues make an organ-----> many organs make an organ system -----> many organ systems make an organism.
tissue
cell then oranelles, next oranisms then tissue, next organ lastly body systems