A group of cells that performs<span> a similar </span>function<span> is known as a tissue. Multicellular organisms such as animals all contain differentiated </span>cells<span> that have adapted to </span>perform<span> specific </span>functions<span>. These differentiated </span>cells group<span> together to form tissues.</span>
If I were the nurse in this scenario, I would probably go over a lot of key parts of development and how they work. Also, say that most if not all developmental phases are painless, which may help her worriedness. Hope this helps! :)
Hello!
You could restate this sentence by writing "If I put 5 pennies in a bottle of Coca Cola, then in 24 hours they will be shiny."
I hope this helps you! Have a lovely day!
- Mal