Presentación natural Science Primaria 5th

1. DO WE RESPOND
TO STIMULI?
JULIA
ALBA
CAYETANA
MIGUEL
CEIP ALFARES

2. CENTRAL NERVOUS SYSTEM
● Brain
● Cerebellum
● Brainstem
● Spinal cord
The NERVES are
distributed throughout
the body.

3. NUTRITION
The parts that participate in nutrition are:
● Digestive system
● Circulatory system
● Excretory system

4. INTERACTION
Human perceive and
respond to internal or
external stimuli using
a combination of their
sensory organs ,
nervous system and
musculoskeletal
system.

5. REPRODUCTION
This is the creation of new
organisms with
characteristics similar to
their parents.
● Male sex cells [sperm]
are formed in the
male reproductive
system.
● Female sex cells
[ovules] are formed in
the female
reproduction system.

6. THE NERVOUS SYSTEM
The nervous system
consists of the organs
and other structures that
control and coordinate
all the actions involved in
the process of
interaction.
System perceives :
● External and internal
stimuli
The nervous system
reactions of these stimuli
thought voluntary or
involuntary system .

7. THE SENSES
● Touch : The skin is the
sensory organ that
covers and protects our
body . It has receptors
that respond to stimuli
such as pressure ,
temperature and pain

8. TASTE
The sense of taste is
located in the tongue
wich has taste receptors
that detect the flavours
bitter , souch , sweet ,
salty , umam.

9. SMELL
● The nose is the
organ of smell.
The olfatory
receptors
perceive smells
.

10. SIGHT
● Consists of the
perception of
images through our
eyes. The eyes are
the sensory organs
of sight.

11. HEARING
● Hearing occurs when
our ears detect and
process sound . The
sensory organs we
use for hearing are
our ears.

12. THE MUSCULOSKELETAL SYSTEM
The musculoskeleton system allows us to move It has two
elements :
● The skeleton supports our bodies and gives then a
shape. It consists of bones and joins.
● The muscular system, which consist of muscles and
tendons.