the skin
Download
Skip this Video
Download Presentation
The Skin

Loading in 2 Seconds...

play fullscreen
1 / 9

the skin - PowerPoint PPT Presentation


  • 270 Views
  • Uploaded on

The Skin. About the skin. Largest organ of the body Covers and protects everything inside the body Controls body temperature Allows us to have the sense of touch through nerve endings Skin can become infected with bacteria, viruses and fungi Mends itself when damaged. Structure of Skin.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'the skin' - oshin


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
about the skin
About the skin
  • Largest organ of the body
  • Covers and protects everything inside the body
  • Controls body temperature
  • Allows us to have the sense of touch through nerve endings
  • Skin can become infected with bacteria, viruses and fungi
  • Mends itself when damaged
epidermis
Epidermis
  • Top layer (outer covering)
  • Made up of flat, dead cells
  • These dead cells shed from our body
  • Inner part of the epidermis is made up of dividing cells
  • These cells push upwards and replace the dead cells

www.abpischools.org.uk/page/modules/skin/skin2.cfm?coSiteNavigation_allTopic=1

dermis
Dermis
  • Inner layer
  • Made up of different tissues and structures
task answer the following
Which layer of the skin do cells divide and make new ones?

What happens to skin cells when they reach the outer layer?

What helps the hairs move?

What gland produces oils?

What do sensory cells helps us do?

Epidermis

Die & flake off

Muscles

Sebaceous gland

Touch, pressure, heat, cold, pain

Task: Answer the following
controls temperature
Controls temperature
  • Body temperature is normally 37°c
  • Hypothalamus- part of the brain that controls temperature
  • Too hot: Start to sweat

Blood vessels open up more (vasodilation)

  • Too cold: Goosebumps & Shiver

Hairs stand up

Warm air is trapped against the skin

Blood vessels constrict (vasoconstriction)

http://www.abpischools.org.uk/page/modules/skin/skin3.cfm?coSiteNavigation_allTopic=1

skin facts
Skin facts
  • Melaninis a pigment in our skin that gives us colour.
  • The darker you are the more melanin you have.
  • An albino person has no melanin
  • Keratinis produced in the epidermis
  • This helps keep skin waterproof

with the oil

ad