Chapter 1 (1.2 Skin) Flashcards

(13 cards)

1
Q

What is the function of skin?

A

-Helps to regulate body temperature
-Protect from harmful substances

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2
Q

How many layers does the human skin have?

A

2 layers

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3
Q

What layer does the skin consist?

A

-Epidermis (outer layer)
-Dermis (inner layer)

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4
Q

What are the characteristics of epidermis?

A

-Outermost layer of the skin
-Made up of dead cells and is waterproof
-Protective layer preventing the entry of bacteria into the body tissues
-Consists of pain receptors

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5
Q

What are the characteristics of dermis?

A

-Consists of connective tissues
-Has receptors that detect cold, hot and touch
-Consists of muscle fibres, sweat glands and blood vessels

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6
Q

What are the characteristics of fatty layer?

A

-Bottom layer of skin
-Layer controlling the body temperature
-Store fats
-Consists of pressure receptors

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7
Q

What is the function of pain receptor?

A

Lie very close to the skin surface to detect even a slight pain

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8
Q

What is the function of cold receptor?

A

Sensitive to cold and detect the colder temperature than usual

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9
Q

What is the function of heat receptor?

A

Sensitive to heat and detect the hotter temperature than usual

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10
Q

What is the function of touch receptor?

A

Detect light touches

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11
Q

What is the function of pressure receptor?

A

Lie deep within the skin and detect the forceful pressure against the skin

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12
Q

What does the degree of sensitivity depend on?

A

-Thickness of the epidermis
-Number of receptors

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13
Q

What are the examples of sensitivity of the skin in everyday life?

A

-Injection sites
-Reading “Braille”

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