Principles of Organisation Flashcards

All 6 cards in this deck

What is a tissue?

A group of cells with a similar structure and function.

What is an organ?

An aggregation of tissues performing a specific function.
e.g. the stomach

What is an organ system?

A group of organs that work together to perform a function; organ systems work together to form organisms.

List the levels of organisation in a multicellular organism, from smallest to largest.

Cells → tissues → organs → organ systems → organism.

True or false? The stomach is a tissue.

False. The stomach is an organ, made up of several tissues such as muscular and glandular tissue.

To which level of organisation does the digestive system belong?

An organ system — several organs work together to digest and absorb food.