The organisation of cells

Question 2

Levels of organisation

Answer 2

Organelle
Cell
Tissue
Organ
Organ system
Organism

Question 3

Levels of organisation: specialised cell

Answer 3

A specialised cell is designated to do a particular job
Example: red blood cells, nerve cell & muscle fibre cell

Question 4

Levels of organisation: tissue

Answer 4

Groups of similar specialised cells carrying out particular functions in the body
Example: epithelial tissue, muscle tissue, nervous tissue & connective tissue

Question 5

Levels of organisation: organ

Answer 5

An organ is a structure made of several different tissues grouped into a structure so that they can work efficiently together to carry out a particular function
Example: heart, brain & lungs

Question 6

Levels of organisation: organ system

Answer 6

A group of organs working together to carry out particular functions in the body
Examples: circulatory system, respiratory system & nervous system