skin plays several important roles for our bodies. 1.skin helps to ________ body temperature. 2.skin...
DESCRIPTION
Skin has two main layers: The __________ and the _________. epidermisdermisTRANSCRIPT
SKINBy: Annette Miles
Skin plays several important roles for our bodies.
1. Skin helps to ________ body temperature.2. Skin ________ inner tissue.3. Skin produces vitamin ___.4. Skin senses _____ and touch.5. Skin helps get rid of _______
products.
regulate
protectsD
painwaste
Skin has two main layers: The __________ and the _________.epidermis dermis
The epidermis has ___ distinct layers. The deepest layer is where the new cells are _____. The top layer is composed of _____ skin. These cells are continually being
shed.
5
madedead
Cross section of the epidermis
Cross section of the epidermis
Color the epidermis tan and label.
The pigment that determines skin and hair color is ________. The
pigment is found in a single layer of epidermal cells. The cells that
produce melanin are the ___________.
melanin
melanocytes
Color the melanocyte black and label.
The layer of skin just beneath the epidermis is the _______.
The dermis contains blood vessels, nerves, hair follicles, sweat glands, and sebaceous
glands.
dermis
Color the dermis pink and label.
The _____________ are a small, sack-shaped gland that release _____ (fatty) liquids onto the hair follicle (the oil softens the skin). They are
usually located beside a _________.
sebaceous glands
hair follicle
oily
Color the sebaceous glands red and label.
Sweat glands are a tube-shaped gland in the dermis
that produce _______. Sweat is a liquid that includes small
amounts of _________, ______, and ___________.
sweat
ammoniaurea electrolytes
Sweat does more than just remove waste. It also helps
keep the body from ____________. The body can get rid of extra heat through
____________.
overheating
evaporation
Color the sweat gland green and label.
The ____________ is a tube-shaped sheath that surrounds
the part of the hair that is under the skin. The hair is
nourished by the follicle at its base. This is also where the
hair grows.
hair follicle
Color the hair follicle blue and label.
The ___________ is the part of the hair that is above the skin.
hair shaft
Color the hair and hair shaft gray and label.
The ________________ are nerve receptors that respond
to pressure and vibration; they are oval capsules of sensory nerve fibers located in the subcutaneous fatty tissue.
pacinian corpuscle
Color the pacinian corpuscle purple and label.
The hair _____________ is a muscle that is connected to
each hair follicle and the skin. It contracts in response to cold and fear resulting in an erect hair and a “__________” on
the skin.
erector muscle
goosebump
Color the erector muscle orange and label.
The ____________ are tubes that carry blood. Arteries bring oxygenated blood ______ the heart and lungs. Veins return
oxygen depleted blood back to the heart and lungs.
blood vessels
from
Color the blood vessel red and label.
The ________________ is the fatty tissue
located under the
dermis.
subcutaneoustissue
Color the subcutaneous tissue brown and label.
Review:
Guess the following parts of the skin.
http://images.google.com/imgres?imgurl=http://www.ratbehavior.org/images/Epidermis.jpg&imgrefurl=http://www.ratbehavior.org/
CoatTypes.htm&usg=__VkvUF9O4ifm6Sy_BYqkJ73Qfixc=&h=372&w=516&sz=60&hl=en&start=5&itbs=1&tbnid=KD3jKdWqfbpiBM:&tbnh=94&tbnw=131&prev=/images%3Fq%3Depidermis%26hl%3Den%26sa
%3DG%26gbv%3D2%26tbs%3Disch:1http://z.about.com/d/dermatology/1/0/e/4/Epidermis_Full_lucid.jpg
http://www.riversideonline.com/source/images/image_popup/sn7_skinlayers.jpg
http://www.clearskinacne.com/wp-content/uploads/skin-epidermis-dermis-hair.jpg
http://www.pgbeautygroomingscience.com/assets/images/wosc/Chapter%201/Special%20Skin%202.jpg
http://missinglink.ucsf.edu/lm/IDS_101_histo_resource/images/172-1x-Hair_follicle_labelled.jpg
http://www.riversideonline.com/source/images/image_popup/sn7_hairfollicle.jpg
http://images.google.com/imgres?imgurl=http://www.immediart.com/catalog/images/big_images/SPL_E_P720213-Hair_follicles,_SEMSPL.jpg&imgrefurl=http://www.immediart.com/catalog/product_info.php%3Fproducts_id
%3D288&usg=__OGcnxzsTcBkLTvtQZLdccjXV40=&h=301&w=350&sz=69&hl=en&start=6&itbs=1&tbnid=BZwQCNRnzu8OHM:&tbnh=103&tbnw=120&prev=/images%3Fq%3Dhair%2Bfollicles%26hl%3Den%26gbv%3D2%26tbs%3Disch:1
RESOURCES
http://cas.bellarmine.edu/tietjen/Laboratories/Bio%20Pix%204%20U/Image102.gif
http://www.supertightstuff.com/wp-content/uploads/2009/02/goosebumps.jpg
http://www.dmk-uk.com/images/treatments/skin-diagram-acne.gifhttp://myhealth.ucsd.edu/library/healthguide/enus/images/media/medical/hw/h9991258.jpg
http://www.lib.uiowa.edu/hardin/mD/pictures22/dermnet/21_basal_cell_carcinoma_cancer_imiquimod0822057.jpg
http://science.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/Science/Images/Content/epidermis-sb3849-sw.jpg
http://www.enchantedlearning.com/subjects/anatomy/skin/