2944022
LIFE PROCESSES
AND CELLS
- LIFE PROCESSES
- Living organisms have 7 things that they
need to be able to do to count as being 'alive'.
You can remember them as MRS GREN
- 1
MOVEMENT
all living
things move
- 2
RESPIRATION
turning food
into energy
- 3
SENSITIVITY
reacting and
responding to
the
environment
around you
- 6
EXCRETION
getting rid
of waste
- 4
GROWTH
all living
things
grow
- 5
REPRODUCTION
making more of
the same kind
- 7
NUTRITION
taking in
and using
food
- 1
MOVEMENT
all living
things move
- Living organisms have 7 things that they
need to be able to do to count as being 'alive'.
You can remember them as MRS GREN
- PLANT AND ANIMAL CELLS
- CELL MEMBRANE
controls the movement
of substances into and
out of the cell
- CHLOROPLASTS
contain chlorophyll (a
green pigment) and it
is here that
photosynthesis takes
place
- CYTOPLASM
the place
where chemical
reactions
happen
- VACUOLE
contains a liquid
(called cell sap)
which helps keep
the cell firm.
- NUCLEUS
carries genetic
information and
controls what
happens inside
the cell
- CELL WALL
provides shape
and support (it is
made from a
tough substance
called cellulose)
- CELL MEMBRANE
controls the movement
of substances into and
out of the cell
- PLANT CELL
- ANIMAL CELL
- CELL MEMBRANE
controls the
movement of
substances into and
out of the cell
- CYTOPLASM
the place where
chemical
reactions
happen
- NUCLEUS
carries genetic
information
and controls
what happens
inside the cell
- CELL MEMBRANE
controls the
movement of
substances into and
out of the cell
- Features that PLANT and ANIMAL cells
have in COMMON
- They both have a CELL MEMBRANE, CYTOPLASM and NUCLEUS
- They both have a CELL MEMBRANE, CYTOPLASM and NUCLEUS
- SPECIALISED CELLS
- PLANT
- Root hair cell
- Function: To absorb
water and minerals
- SPECIAL FEATURES: Large surface area
- Leaf cell
- FUNCTION: To absorb
sunlight for photosynthesis
- SPECIAL FEATURES: Large surface
area with lots of chloroplasts
- FUNCTION: To absorb
sunlight for photosynthesis
- Root hair cell
- ANIMAL
- Red blood cell
- FUNCTION: To carry
oxygen around the
body
- SPECIAL FEATURES:
Shape gives it a large
surface area for oxygen to
pass through. Contains
no nucleus so that it can
carry more oxygen
- FUNCTION: To carry
oxygen around the
body
- Nerve cell
- FUNCTION: to carry nerve
impulses to different parts
of the body
- SPECIAL FEATURES:
Are long with
connections at each
end. Can carry
electrical signals.
- FUNCTION: to carry nerve
impulses to different parts
of the body
- Male reproductive cell
(sperm cell)
- FUNCTION: to reach and
join with the female cell
(egg)
- SPECIAL FEATURES:
Long tail for swimming
and a head for getting
into the female cell.
- FUNCTION: to reach and
join with the female cell
(egg)
- Female reproductive
cell (egg cell)
- FUNCTION: to join with
male cell and to provide
food for the new cell
that has been formed
- SPECIAL FEATURES:
Large and contains
lots of cytoplasm
- FUNCTION: to join with
male cell and to provide
food for the new cell
that has been formed
- Red blood cell
- PLANT
- CELLS, TISSUES AND ORGANS
- FOR EXAMPLE
- Organ systems carry out vital functions in the human body
- CIRCULATORY
- heart - pumps blood
around the body
- heart - pumps blood
around the body
- RESPIRATORY
- lungs - part inside chest
used for breathing. Bring
oxygen into the body and
remove carbon dioxide
- lungs - part inside chest
used for breathing. Bring
oxygen into the body and
remove carbon dioxide
- NERVOUS
- brain - controls
the body's
movement and is
the centre of
thought, feelings
and memory
- brain - controls
the body's
movement and is
the centre of
thought, feelings
and memory
- DIGESTIVE
- stomach -
receives food
that has been
swallowed
and begins to
digest it
- stomach -
receives food
that has been
swallowed
and begins to
digest it
- REPRODUCTIVE
- ovaries - an organ
in females where
the egg cells are
produced
- ovaries - an organ
in females where
the egg cells are
produced
- CIRCULATORY
- FOR EXAMPLE
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