I remember from high school biology that cells form tissues and then from these tissues organs are created, etc.
However what’s not clear for me is: What stops a cell tissue from totally collapsing back to a clump of cells? Why animals, plants and even some fungi don’t just… Melt?
In: 7
The question has different as wer depending on the type of cell – plant or animal.
Our own cells has protein complexes located in the membrane which connects the cells to each other as a form of short hands holding together. Depending on the protein these contacts can be water tight or very lose.
Some of our cells produce extra cellular materials – stiff building blocks that pushed out of the cells and into the area around and in between the cells.
These things combined makes it possible for tissue to keep it’s shape.
Plant cells are a little different from animal cells as they consist of a cell membrane (as animal cells) AND a cell wall which is rigid and strong
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