functions of the skin:

-protection -homeostasis -synthesis and storage of nutrients -sensory reception: nerve endings detect touch, pressure, pain, etc -excretion (removes/expells) and secretion (produces and releases)

order of the skin from superficial to deep:

1: epidermis 2: dermis 2a: Papillary layer 2b: Reticular layer 3: hypodermis

what do they look like: sweat glands

squiggly things at the bottom and go all the way to the top, bc it releases sweat duh

what do they look like: hair

long sticks that go through the skin and to the surface

what do they look like: arteries/veins/blood vesicles:

along the top of the hypodermis, noodle looking things

order of the 2 parts of the epidermis:

Epidermis: 1 (top): stratum corneum 2 (bottom): stratum basale

characteristcs of epidermis:

It protects your body from harm, keeps your body hydrated, produces new skin cells

characteristics of dermis:

It's thick, and it contains blood vessels, glands, hair follicles, lymphatics, nerves and fat cells. A net-like structure of elastin fibers and collagen fibers, etc

characteristcs of hypodermis:

Bind the skin to the underlying muscles and bones in the body. Insulate the body from heat loss or gain from fat

why is the skin part of the immune system:

As a protective barrier between organs and the environment, the skin encounters a host of toxins, pathogenic organisms, etc. To protect from these things, the skin functions as more than a physical barrier: it is an active immune organ.

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anatomy unit 2quiz 1

Question	Answer
functions of the skin:	-protection -homeostasis -synthesis and storage of nutrients -sensory reception: nerve endings detect touch, pressure, pain, etc -excretion (removes/expells) and secretion (produces and releases)
order of the skin from superficial to deep:	1: epidermis 2: dermis 2a: Papillary layer 2b: Reticular layer 3: hypodermis
what do they look like: sweat glands	squiggly things at the bottom and go all the way to the top, bc it releases sweat duh
what do they look like: sebaceous glands	little flower things/bulbs
what do they look like: arrector pili muscle:	oblique line tissue
what do they look like: hair	long sticks that go through the skin and to the surface
what do they look like: meissner's corpuscle:	tad pole circle, not deep
what do they look like: pacinian corpuscle:	swirly circle, deep
what do they look like: arteries/veins/blood vesicles:	along the top of the hypodermis, noodle looking things
order of the 2 parts of the epidermis:	Epidermis: 1 (top): stratum corneum 2 (bottom): stratum basale
characteristcs of epidermis:	It protects your body from harm, keeps your body hydrated, produces new skin cells
characteristics of dermis:	It's thick, and it contains blood vessels, glands, hair follicles, lymphatics, nerves and fat cells. A net-like structure of elastin fibers and collagen fibers, etc
characteristcs of hypodermis:	Bind the skin to the underlying muscles and bones in the body. Insulate the body from heat loss or gain from fat
why is the skin part of the immune system:	As a protective barrier between organs and the environment, the skin encounters a host of toxins, pathogenic organisms, etc. To protect from these things, the skin functions as more than a physical barrier: it is an active immune organ.

Created by: acuda25

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