"
, roughening
.v n
in
living organisms
organised to be able to out all the functions of life
carry
•
organism comprised of number of
•
systems
→
a
out functions
systems carry
:
1.
make
organs up systems
:
2.
3. tissues : have different functions
cells that have the and perform similar function
4.
groups same structure a
•
for
building living organisms
•
blocks
•
smallest unit of life
5. molecules → make up cells water , protein carbs and fats
eg
:
,
6. atoms to make up molecules
eg
: carbon , hydrogen
molecules
chemical
frouuliofe
everything substances atoms
•
= =
•
atoms of same kind =
elements
found
important elements needed
by living organisms C O P k s Fe H N Na Ca t
Mg
•
t :
molecules
•
2 Or more atoms combine =
molecule
0+0 02
eg :
• =
wantonness
different elements
molecules
containing atom of or
•
2 more
•
water ZH TO =
H20
eg
→
: