1. SENSITIVITY AND
COORDINATION
Ana Gazapo Mora
Deborah Diego Carbajosa

3. Stimuli
• Stimulus is anything you
see,hear,touch,smell or taste.
• Stimuli can be Internal or
External.

4. Internal Stimuli

5. External Stimuli

6. Receptors
• The body has different receptors : Internal and
External

7. Responses
• Response is the body´s answer to a stimulus
• Responses can be Muscular or Glandular

8. Muscular Response

9. Glandular Response

11. Sight
The eye is the organ of sight. It is made up of the
eyeball, eyelids and eyelashes.

12. SMELL
The nose is the organ of smell. The receptors
of smell are in the pituitary gland, inside the
nostrils.

13. Hearing
The ear is the organ of hearing it has three
parts:
• The outer ear includes the ear and the ear
canal
• The middle ear includes the small bones and
the eardrum.
• The inner ear includes the cochlea and the
auditory nerve

14. Touch & Taste
TOUCH
TASTE
The skin is the organ of The tongue is the
touch is made up of
organ of taste the
three layers.
receptors of taste are
in the taste buds.

15. What is the nervous system ?

16. THE NERVOUS
SYSTEM
The nervous system is made up of
nerve centres and nerves

17. NEURONS
• Both the central and the peripheral nervous
systems are made up of specialised cells called
neurons.
• They are made up of a cell body, dendrites
and axons.

18. VOLUNTARY AND INVOLUNTARY
MOVEMENTS
Our bodies react to stimuli making voluntary or involuntary
movements

19. VOLUNTARY MOVEMENTS
• The brain produce a response in the case of
voluntary movements.

20. INVOLUNTARY MOVEMENTS
• The spinal cord produces a response in the
case of involuntary movements

21. THE SKELETAL AND THE MUSCULAR
SYSTEM

22. THE SKELETON
• The skeleton is made of the bones in the body
• Head bones: there are two groups, skull bones
and facial bones.
• Trunk bones: there are two groups , the spine
and the rib cage.
• Limb bones: there are two groups, upper limb
bones and lower limb bones.

23. JOINTS
The joints are located where two or more bones
met.
There are two types of joints:
• Movable joints
• Semi-moveable joints
• Fixed joints

24. THE MUSCULATURE
It is the set of muscles in the body.
Head muscles : masseter, buccinator and
orbicular.
Trunk muscles : sternoclaidomastoid, abdominal
and pectoral
Limb muscles :biceps
, triceps, deltoid, quadriceps, gluteus and calf
muscles