What are large multicellular organisms made up of?

What is the process by which a cell becomes specialised called?

What do specialised cells form?

What do tissues form?

What do organs form?

How do muscular tissues do their job?

What do glandular tissues do?

What do epithelial tissues do?

In the stomach, how does muscular tissues help it perform its job?

In the stomach, how does glandular tissues help it perform its job

Which tissues cover the inside and outside of the stomach.