.

2. Natural
sciences.
3th grade

3. Our systems 2.

4. Diet, digestion and excretion.

5. Diet, digestion and excretion.
● FUNCTION- HELP US TO GET THE NUTRIENTS
FROM THE FOOD
OUR DIGESTIVE SYSTEM.
PARTS
SMALL
INTESTINE
STOMACH
OESOPHAGUSMOUTH
LARGE
INTESTINE

6. Diet, digestion and excretion.
OUR DIGESTIVE SYSTEM.
STOMACHOESOPHAGUSMOUTH
Break the
food into
smalll
pieces and
mixes it
with saliva.
A long tube.
Food goes
down to
the
stomach.
It´s like a
bag to store
food and
turn it into
a thick
liquid.

7. Diet, digestion and excretion.
OUR DIGESTIVE SYSTEM.
Large
intestine
Small
intestine
A long tube. The
liquid from the
stomach goes
through here
and nutrients
pass into the
blood
A wide tube
that connects
to the anus.
Waste products
are eliminating
here.

8. Diet, digestion and excretion.
OUR DIGESTIVE SYSTEM.

9. Diet, digestion and excretion.
OUR EXCRETORY SYSTEM.

10. Diet, digestion and excretion.
OUR EXCRETORY SYSTEM.
● FUNCTION- TO GET RIDE OF EXCESS WATER AND
WASTE PRODUCTS.
PARTS URETHRA
URETERS
BLADDER
KIDNEYS

11. Diet, digestion and excretion.
URETERSBLADDERkIDNEYS
Kidneys
remove
waste
products
from the
blood and
turn them
into urine.
It´s bag
to
collect
urine.
Short
tube
where
the urine
goes
down.
OUR EXCRETORY SYSTEM.
URETHRA
Long
tubes
from the
kidneys
to the
bladder.

12. Diet, digestion and excretion.
The nutrients in food.
Food contains the nutrients to live and grow. Groups
of nutrients.
Potatoes,bread,
cereals, pasta,
pulses and rice.
CARBOHYDRATES.
Fruit and
vegetables
contain
VITAMIN AND
MINERALS.
Oil, butter,
chorizo,
cheese and
nuts contain
FATS.
Meat, fish , eggs,
nuts and milk
products contain
PROTEINS.

13. Diet, digestion and excretion.
The nutrients in food.
CARBOHYDRATES
VITAMINS AND
MINERALS
PROTEINS
FATS
WATER
GIVE US ENERGY TO RUN, MOVE AND STUDY.
FATS BUILD A STORE OF EXTRA ENERGY.
PROTEINS HELP US GROW AND REPAIR BODY TISSUES.
HELP US TO STAY HEALTHY
WE NEED TO DRINK WATER TO LIVE EVERY DAY.

14. An example of a healthy diet .

15. An example of healthy habits.
•Eat fruit and vegetables every day.
•Eat the right number of servings of
each type of food.
•Drink water, not fizzy drinks,
regularly.

16. An example of healthy habits.
REST.
GO TO BED EARLY AND
SLEEP 10 OR 11 HOURS.
EXERCISE.
DO SOME EXERCISE EVERY
DAY.
DIET.
EAT A VARIETY OF FOOD
AND PLENTY OF WATER.
HYGIENE.
HAVE A SHOWER,BRUSH
YOUR TEETH AND WASH
YOUR HANDS EVERY DAY.

17. Some links to learn about the topic.
https://www.usborne.com/quicklinks/eng/catalogue/cat
alogue.aspx?cat=1&loc=uk&area=S&subcat=SH&id=192
7
Let´s make a click here to play a
game.