Cells, Tissues and Organs: Organisation of Multicellular organisms Flashcards
1
Q
What is the name of the process when cells become specialised?
A
differentiation
2
Q
What is a tissue?
A
a group of cells with a similar function and structure
3
Q
Examples of human tissues
A
- muscular
- glandualr
- epithelial
4
Q
Examples of plant tissues
A
- epidermal
- mesophyll
- xylem/phloem
5
Q
What is an organ?
A
made out of tissues
6
Q
What tissues make up the stomach?
A
- muscular
- glandular
- epithelial
7
Q
Name plant organs
A
- leaf
- root
- stem
8
Q
What tissues make up plant organs?
A
- mesophyll
- epidermal
- xylem/phloem
9
Q
What is an organ systen?
A
group of organs that perform particulat function
10
Q
Organs in Digestive System
A
- glands
- stomach
- small intestine
- large intestine
11
Q
Structure of leaf
A
- waxy cuticle
- epidermis
- palisade mesophyll
- (veins)
- spongy mesophyll
- epidermis
- stomata
12
Q
function of waxy cuticle
A
- coats surface of leaf
- prevents water loss by evaporation
13
Q
function of epidermis
A
- protective layer
- transparent: to let light through
14
Q
function of palisade mesophyll
A
- tall, closely packed cells with lots of chloroplasts
- where most photosynthesis takes place
15
Q
function of spongy mesophyll
A
- contains air spaces for gas exchange
16
Q
function of vein
A
contain xylem - transport water
contain phloem - transport glucose
17
Q
function of stomata
A
- found on underside of leaf
- surrounded by guard cells
- control gas exchange
