What is the largest organ of our body?. SKIN STRUCTURE & FUNCTIONS. - презентация

1 What is the largest organ of our body?

2 SKIN STRUCTURE & FUNCTIONS

3 YOU WILL: UNDERSTAND THE STRUCTURE AND FUNCTIONS OF SKIN

4 Terminology EnglishKazakhRussian AlbinismАльбинизм Collagen fibersКоллаген талшықтарыВолокна коллагена Excessартықлишний FirmқаттыТвёрдый FingerprintСаусақ ізіОтпечаток пальца Sweat glandТер бездеріПотовые железы Receptorрецептор Sebaceous glandМай бездеріСальные железы

5 Functions of skin Protection Cushions and insulates and is waterproof Protects from chemicals, heat, cold, bacteria Screens UV Regulates body heat Prevents unnecessary water loss Sensory reception (nerve endings)

6 Lets have a look and translate the layers of your skin

7 Skin layers Epidermis Dermis Hypodermis OUTERMOST layer Composed of dead cells Protects organism from bacteria and viruses MIDDLE layer Contains receptors, sweat and oil glands With receptors we can feel the pain, t, pressure; Blood and lymph vessels are also here INNER layer Composed of fat cells Stores energy and heat

8 Interesting fact!

9 Why do people living in a hot climate have darker skin? video atch?v=MpZeC-c2iIg atch?v=MpZeC-c2iIg Any ideas?

10 You will NEED Powder (baby or cocoa) Paint brush Cream or lotion Steps to do Some volunteers come rub a small amount of cream, touch several objects (for ex cups) These objects are given to 4 groups, they must find whose fingerprints are there; Use powder and brush to detect the fingerprints on an object, then observe them Fingerprint activity

11 Literacy Why does not epidermis need blood supply? What do KIDNEY and SKIN have in common?