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Skin Recap
| Question | Answer |
|---|---|
| How many layers of the skin is there? | Three |
| How many layers of the epidermis is there? | Five |
| Name the 1st layer of the epidermis | Stratum Corneum |
| Which layer of the epidermis is most prominent on the palms of hand and soles of the feet | Stratum Lucidum |
| Name the 2nd layer of the epidermis | Stratum Lucidum |
| Name the 3rd layer of the epidermis | Stratum Granulosum |
| Name the 4th layer of the epidermis | Stratum Spinosum |
| Name the 5th layer of the epidermis | Stratum Germinative |
| Which layer in the epidermis does mitosis take place? | The 5th layer ( germinative layer) |
| Which layer of the skin are the nerve endings located? | The dermis |
| What is the fatty layer known as? | The subcutaneous layer |
| What structures in the dermis control the internal body temperature? | The sweat gland and the hair follicle/erector pilli muscle |
| How does our skin help to produce vitamin D? | Absorption of the UV rays |
| What do we secrete through the skin? | Sebum |
| Where is the sebum produced? | In the dermis layer from the sebaceous gland |
| Why doe we have melanin? | It gives us the colour of our hair and skin and provides us with protection against the UV rays |
| Which skin type starts to produce less collagen, loses the elasticity and contours to start to sag | Mature skin |
| Which ethnic skin type has a thick epidermis, large pores, oily skin and ages the slowest | African caribbean |
| Which ethnic skin type has a thinner epidermis and ages the quickest and is prone to skin cancer | Caucasian skin |
| What is the blood system known as | the cardiovascular system |
| What is the blood protecting the body against | infection |
| What does the blood regulate | body temp, balances body fluid, salts, PH balance |
| What is clotting of the blood known as | coagulation |
| What are the 4 components of the blood | red blood cells, white blood cells, plasma, platelets |
| What is the waste gas called that is created when carbon mixes with oxygen | carbon dioxide |
| Where do white blood cells originate from? | The bone marrow |