B1 Integumentary system Flashcards

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1
Q

Name the organ shown in the diagram

A

Skin

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2
Q

Name the system shown in the diagram

A

Integumentary

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3
Q

Name structure A

A

Hair

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4
Q

Name structure B

A

Sweat gland

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5
Q

Name structure D

A

Adipose tissue

or

Subcutaneous fat

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6
Q

Name structure C

A

Sebaceous gland

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7
Q

Give 5 functions of the skin

A

Thermoregulation

Protection against foreign bodies

Protection against mechanical damage and solar radiation

Energy storage

Production of Vitamin D

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8
Q

What is the function of the erector muscle?

A

Raise or lower hairs on skin

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9
Q

Name three chemicals found in sweat

A

Water

Salt

Urea

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10
Q

Why does the skin produce sweat?

A

Thermoregulation

Increases heat loss from the body

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11
Q

When do the arterioles in the skin dilate?

A

When body temperaure is too high

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12
Q

Name three ways in which the skin can increase the loss of heat from the body

A

Vasodilation (more blood to skin surface)

Increase amount of sweat produced

Lower hairs

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13
Q

Give three ways in which heat loss from the skin can be reduced.

A

Vasoconstriction (reduce amount of blood at surface of the skin)

Hairs rasied

Shivering

Reduce amount of sweat released

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14
Q

Name the vitamin produced in the skin

A

Vitamin D

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15
Q

Name a deficiency disease caused by the lack of viatmin D

A

Rickets

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16
Q

How does the skin protect the body against foreign bodies?

A

Barrier

Sealed by scabs

Dead outer surface

17
Q

Name the type of pathogen that causes athletes foot

A

Fungus

18
Q

How is athletes foot spread from person to person?

A

Fungal spores

From communal changing rooms or from people in household

19
Q

How is athletes foot treated?

A

Wash feet daily

Dry between the toes

Change socks regularly

Antifungal creams/powder

20
Q

Name structure E

A

Sweat duct

21
Q

Name structure F

A

Erector muslce

22
Q

Name structure G

A

Sensory nerve ending

23
Q

Give two places where heat receptors can be found

A

Blood vessels

and

Skin

24
Q

The heat receptors send impulses to the ………

A

Hypothalamus

25
Q

Name the coordinator for thermoregualotion

A

Hypothalamus