Where can the extensibility of skin be seen?

Around joints, in pregnancy and obesity.

How does the skin helps us?

In regulating body temperature.

The four principal types of cells are :

keratinocytes, melanocytes, Langerhans cells, and Merkel cells.

The skin also acts as a blood reservoir because...

the dermis has an extensive network of blood vessels

What does the "cutaneous sensations" refers to?

Sensations arising from the skin.

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Human body care 3.1

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Questions 15

Answers

1
What does the skin protects us from?
Animals
Strong lightning
Sun
Microbes
2
What is made up of 8 to 10 layers of keratinocytes?
stratum lucidum
stratum corneum
stratum granulosum
stratum spinosum
3
Which one is responsable for eliminating substances from the body?
All of the above.
Thermotregulation.
Absorption
Excretion
4
Where can the extensibility of skin be seen?
everywhere
Around joints, in pregnancy and obesity.
people with sensible skin.
mostly on middle age people.
5
What's the function of the Vitamin D?
Antioxidant.
Absorption of calcium
Regenate cells.
Absorption of sodium.
6
what does collagen and elastic fibers provide?
protection and thermoregulation.
Strength and extensibility.
production of vitamins.
good blood storage.
7
Which are layers of the skin?
The dermis.
Al lof the above
The epidermis.
The subcutaneous tissue.
8
How does the skin helps us?
Helps us in being strong.
In absorving nutrients.
In regulating body temperature.
9
In what ways does the skin provides protection to the body?
The sebum keeps skin and hair from drying
all of the above
Keratin protects underlying tissues from microbes, abrasion and heat
Lipids slow down the evaporation of water from skin's surface
10
The four principal types of cells are :
Keratinocytes, melanin, Langerhans cells, and Merkel cells.
keratinocytes, melanocytes, Langerhans cells, and Merkel cells.
keratinocytes, melanocytes, Langer cells, and Merk cells.
keratinocytes, melon, long cells, and markisian cells.
11
The skin also acts as a blood reservoir because...
the dermis has an extensive network of blood vessels
the epidermis has an extensive network of blood vessels
12
What does the "cutaneous sensations" refers to?
Protection to the body.
Nutrient absorbing.
Sensory receptors.
Sensations arising from the skin.
13
Skin doesn't contribute to thermoregulation
False
True
14
What does dermis contain?
stratum lucidum and stratum corneum.
keratinocytes.
Collagen and elastic fibers.
collagen.
15
Melanin is a yellow-red or brown-black pigment that contributes to skin color and is produced by the melanocytes.
False
True

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