PRESENTATION FOR YEAR 3 KIDS How my body works: CIRCULATORY, RESPIRATORY, DIGESTIVE, EXCRETORY SYSTEMS. THE SENSES: organs and how they work.

1. TTHHEE HHUUMMAANN
BBOODDYY

2. Our body machine.
.
SYSTEMS
• SENSES
• SKELETAL
INTERACTION
It has lots of parts.
It consists of different systems.
Systems carry out functions that are vital
for life
It helps us
receive and
process
information and
move.
It supports our
body, protects
main organs and
helps us move

3. SYSTE
MS
• CIRCULATOR
Y
• DIGESTIV
E
• RESPIRATOR
Y
NUTRITION
• EXCRETOR
Y
It consists of taking
food and
eliminating the
waste

4. CIRCULATORY SYSTEM
This system moves the blood through the
heart and around the body in the arteries
and veins.
Blood gives our body nutrients
and oxygen
ARTERI
ES
HEART
VEINS

5. THE HEARTThe ribs protect the
heart
The heart pumps the
blood around the body.
The heart is a little to the
left of the center of your
chest.
It’s like a fist

6. THE HEART
The heart is made up of
two parts:
• ventricles
• Atriums

7. RESPIR
ATORY
SYSTEM
This system helps us breathe.
.
LUNGS
NOSE
MOUTH
The organs that works to help us breathe
are:
.

8. We breathe through our NOSE and MOUTH
Oxygen is
passed into
our circulatory
system., where
it moves
around the
body.
We breathe in OXYGEN and
breathe out CARBON DIOXIDE
The air goes down into our
LUNGS

9. DIGESTIV
E SYSTEM
This system helps us digest the
food.
INTESTI
MOUTH
STOMACH
Three main organs help us in this function:

10. We take in food through our
MOUTH.
The nutrients are passed to the circulatory
system where they move around the body
The intestine separate the nutrients from
the waste and expel waste from our body.
It passes down into our STOMACH and
INTESTINES

11. EXCRET
ORY
SYSTEM
This system helps us eliminate the
waste and extra liquids
.
URETER
S
URETHRA
KIDNEYS
The organs that works to help us eliminate
are:
.
BLADDE
RS

12. Kidneys are under the rib cage,
We are born
with 2
kidneysThey are like
a fist size
One on each side of
the spine
.

13. URETER
SRETHRA
KIDNEYS
BLADDE
RSResult is the
ARTERIESVEINS
2. Kidneys
clean the
blood
1. The blood arrives in the
kidneys 3. Kidneys filter the waste that
goes through the Ureters to the
bladder

14. SIG
HT
We can see different shapes
Eyes are the organs of
sight.
, and colours
sizes
Iris
can be
differe
nt
Pupils
are
PUPIL
IRIS.

15. SIG
HT
Eyes are very delicate and are
protected by the
EYEBROW
EYELASHE
EYELID
Eyelides, eyelashes and eyebrows stop
sweat and dust getting into our eyes.

16. We can hear loud sounds
Ears are the organs of
hearing.
Ears have three
parts
and quiet sounds
OUTER EAR INNER EARMIDDLE EAR

17. EARDRUM
Ears are very delicate. Earwax is a
sticky substance inside the ear canal.
It protects our ears from dirt and
CANAL
EARWAX

18. We can smell good things
Nose is the organ we use for smelling.
Or bad things
The Tongue is the organ we use for
tasting.

19. The Tongue is the organ we use for
tasting.

20. The skin tells us if something is soft or
hard
Our SKIN is the organ we use to touch.
Our body is covered in skin. It’s the largest organ in
the human body.
smooth or rough
hot or cold

21. Sensory nerves send this information to the brain