Unit2 sensitivity and coordination noemi and clara s

346 views
166 views

Published on

Published in: Health & Medicine, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
346
On SlideShare
0
From Embeds
0
Number of Embeds
62
Actions
Shares
0
Downloads
1
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Unit2 sensitivity and coordination noemi and clara s

  1. 1. SENSITIVITY AND COORDINATION BY NOEMI ALMENA CONTRA AND CLARA HERNANDEZ PEREZ
  2. 2. STIMULUS AND RESPONSES STIMULI A stimulus is anything you see, hear,touch, smell or taste. .Internal stimuli .External stimuli .Internal receptors .External receptors RESPONSES A response is the body´s answer to a stimulus There are two types: .Muscular responses .Glandular responses
  3. 3. • THE SENSES SIGHT .The eye is the organ of sight .It is made up of 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 he nostrils.
  5. 5. HEARING • The ear is the organ of hearing. It has three parts : • The outer ear includes the ear and ear canal • The middle ear includes the eardrum and the small bones • The inner ear includes the cochlea and the auditory nerve
  6. 6. TOUCH The skin is the organ of touch. It is made up of three layers: .Epidermis .Dermis .Hypodermis
  7. 7. TASTE .The tongue is the organ of taste. 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: Brain: Cerebrum,cerebellum,brain stem
  9. 9. NEURONS Specialised cells called neurons They are made up of a cell body , dendrites and axons
  10. 10. VOLUNTARY AND INVOLUNTARY MOVEMENTS • The brain produces a response in the case of voluntary movements Involuntary movements The spinal cord produces a response in the case of involuntary movements . .Sensory nerves . .The spinal cord.
  11. 11. THE SKELETON • The skeleton is made up of all the bones in the body: • Head bones • Trunk bones • Limb bones JOINTS Bones are connected by resistant fibres called ligaments. There are three types:
  12. 12. THE MUSCULATURE • The musculature is the set of muscles in the body: • Head muscles. • Trunk muscles. • Limb muscles. TENDONS Tendons are made of flexible and fibrous tissue. They connect muscles to bones .

×