Unit 2
Sensitivity and
Coordination.

Name: Diego Barrio
6A
Stimulus and responses.
A stimulus is anything you see, touch, taste, smell or hearing.
They can be:
stimulus
Internal
ext...
Sight
The eye is the organ of sight. Is made up of the
eyeball, and protected by the eyebrows,
eyelids and eyelashes.
Smell
The nose is the organ of smell. The
receptors of smell are in the pituitary
gland inside the nostrils
Hearing
The ear is the organ of hearing. It has three parts:
The three parts of the ear.
OUTER EAR: ear and ear canal
MIDD...
Touch
The skin is the organ of touch. It is made up of three layers.

Layers of skin
Epidermis
Dermis
Hypodermis
Taste
The organ of taste is the tongue.
The receptors of taste are in the taste buds.
The nervous system
The nervous system is made up of nerve centres and nerves.

The central nervous system.
The brain : the...
The skeleton
The skeleton is made up of all the bones in the body:

the bones of the skleleton
Head bones: facial and skul...
The musculature
The musculature is made up by all the muscles in the body:
muscles
Head muscles: masseter, buccinator and ...
The end
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Unit 2 sensitivity and coordination diego s

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Unit 2 sensitivity and coordination diego s

  1. 1. Unit 2 Sensitivity and Coordination. Name: Diego Barrio 6A
  2. 2. Stimulus and responses. A stimulus is anything you see, touch, taste, smell or hearing. They can be: stimulus Internal external There are two types of different receptors: receptors internal external A response is the body´s answer to a stimulus. They can be muscular or glandular.
  3. 3. Sight The eye is the organ of sight. Is made up of the eyeball, and protected by the eyebrows, eyelids and eyelashes.
  4. 4. Smell The nose is the organ of smell. The receptors of smell are in the pituitary gland inside the nostrils
  5. 5. Hearing The ear is the organ of hearing. It has three parts: The three parts of the ear. OUTER EAR: ear and ear canal MIDDLE EAR: eardrum and the small bones INNER EAR: cochlea and the auditory nerve
  6. 6. Touch The skin is the organ of touch. It is made up of three layers. Layers of skin Epidermis Dermis Hypodermis
  7. 7. Taste The organ of taste is the tongue. The receptors of taste are in the taste buds.
  8. 8. The nervous system The nervous system is made up of nerve centres and nerves. The central nervous system. The brain : the cerebrum, cerebellum and brain stem. The peripheral nervous system is made up of: sensory nerves motor nerves Neurons are especial type of cells that are in the central and peripheral nervous system. NEURONS
  9. 9. The skeleton The skeleton is made up of all the bones in the body: the bones of the skleleton Head bones: facial and skull bones Trunk bones: spine and ribs cage Limb bones: upper limb and lower limb bones
  10. 10. The musculature The musculature is made up by all the muscles in the body: muscles Head muscles: masseter, buccinator and orbicular. Trunk muscles: sternocleidomastoid, intercostal, pectoral and abdominal and trapezius. Limb muscles: deltoid, biceps, triceps, quadriceps, tendon, tibial, calf muscles and gluteus.
  11. 11. The end

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