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Science 7 > Chapter 19 Pt.2 > Flashcards

Chapter 19 Pt.2 Flashcards

0
Q

Helps the body to retain

A

Fluids

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1
Q

Acts as a ____________.

A

Barrier,keeps away pathogens

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2
Q

Helps maintain

A

Body temperature

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3
Q

Eliminates

A

Waste material

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4
Q

Senses

A

Heat,cold,pressure,pain

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5
Q

Components

A

Skin,hair follicles,nerves,blood vessels,glands

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6
Q

Composed of three layers

A

Epirdermis,Dermis,Hypodermis

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7
Q

The Epirdermis has a dead layer called…

A

Stratum Corneus

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8
Q

Stratum Corneum protects the body from…

A

Pathogens and water loss

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9
Q

Epirdermis also contains specialized cells called…

A

Melanocytes

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10
Q

Melanocytes are used for…

A

To produce melanin or pigment for the skin,protects against UV Rays

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11
Q

The dermis is…

A

The middle layer and contains blood vessels to thermoregulate the body

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12
Q

Dermis contains connective tissues and…

A

Fibroblasts which produce the two proteins elastin and collagen

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13
Q

Collagen gives…

A

The skin resistance to strain

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14
Q

Elastin gives…

A

Makes the skin elastic

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15
Q

The dermis contains mechanoreceptors and nerve endings to sense…

A

Pressure and temperature

16
Q

Sweat glands release…

A

Waste and cool off the body

17
Q

Sebaceous glands secrete oil which allows….

A

The skin to lubricate and waterproof

18
Q

Each hair in dermis has a muscle attached to it called the…

A

Arrecter Pili

19
Q

Hypodermics contains

A

Blood vessels and nerves

20
Q

Hypodermis does the following:

A

Stores fat,to help regulate the body and cushions against things that hit the body

21
Q

Build up of oil

A

Acne

22
Q

Skin,hair,and eyes do not produce pigment.

A

Albinism

23
Q

A skin cancer

A

Melanoma

Science 7 (4 decks)

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