4.2.1 Principles of Organisation

Question 1

Cells:

Answer 1

the basic building blocks of all living organisms

Question 2

Tissue:

Answer 2

a group of cells with a similar structure and function

Question 3

Organs:

Answer 3

aggregations of tissues performing specific functions

Question 4

Organ systems:

Answer 4

organs are organised into organ systems, which work together to form organisms

Question 5

Organisational hierarchy:

Answer 5

In order of increasing complexity, multicellular organisms are made of: cells → tissues → organs → organ systems