2.6 Cellular Organisation

Question 1

differentiation

Answer 1

cells become specialised for their function, by only certain genes being switched on and expressed

Question 2

tissue

Answer 2

collection of similar cells that work together to perform a specific function

Question 3

organ

Answer 3

combination of tissues that work together to perform a variety of functions, with one main function

Question 4

organ system

Answer 4

a group of organs that work as a single unit

Question 5

tissue example

Answer 5

epithelial- lining for protection and secreting

xylem- for water transport and support

Question 6

organ example

Answer 6

stomach- muscle/epithelial/connective

leaf- mesophyll/epidermis/phloem

Question 7

organ system example

Answer 7

digestive- stomach/pancreas/liver

respiratory- trachea/lungs