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Warm-up 10/22/12 B Day
1. What are the three types of muscle
tissue?
2. What is the difference between
involuntary and voluntary muscle?
3. Give 2 examples of muscles that are
involuntary. Name 2 voluntary muscles.
4. What purpose or functions does your skin
have?
3 types of muscle tissue:
Skeletal
Smooth
Cardiac
The Skin
Objective
SWBAT take notes and
examine the skin IOT
describe its 5 functions
and 2 main layers.
Essential Questions
 What
would be a result of how our
body functions if our skin could no
longer gather information?
 Compare
and contrast the epidermis
and dermis
Main Idea
The skin has FIVE important functions.
Detail
Detail
Detail
Detail
Detail
Main Idea
The skin has FIVE important functions.
Detail
The skin
forms a
barrier
against
diseasecausing
microor
ganisms
and loss
of fluid.
Detail
The skin
helps
the body
maintain
a steady
temperature.
Detail
The skin
helps to
eliminate
waste
through
perspirat
ion.
Detail
Skin
contains
nerves that
gather
information
about the
environment..
Detail
Skin cells
produce
vitamin D
that helps
your body
absorb
calcium.
Revise
 Who
can create a summary(in your
own words) of the main idea of skin
and its 5 important functions.
- The Skin
The Two Layers of the skin- Epidermis
And Dermis
Epidermis:
Descriptions-
Functions-
Dermis
Descriptions-
Functions-
- The Skin
The Epidermis
The skin is organized into two main layers: the epidermis
and the dermis.
Epidermis



is the outer layer of the skin.
it is thinner than the dermis
it does not have nerves or blood
vessels
Function of the epidermis


the dead cells protect the skin
shedding of dead cells carries away
bacteria
- The Skin
The Dermis
The skin is organized into two main layers: the epidermis
and the dermis.
Dermis




the inner layer of the skin.
located below the epidermis
Thicker
has blood vessels, nerves, hair
follicles, sweat glands and fat
Function of the Dermis
 The
fat pads internal organs and
helps keep heat in the body
 Sweat glands produce perspiration
 Oil helps moisten the skin
 Helps keep heat in the body
Differentiate
 Differentiate
between the epidermis
and the dermis.
 Give support for your answer with
details.
Caring for your skin
 Healthy
Diet
 Keep your skin clean
 Limit sun exposure
Turn to p.34- Analyzing Data
1.
2.
3.
IN your groups: Look at the graph.
What are on the x- and y- axis?
What is the title? Is there a key? So
what is the graph telling us?
After looking over the graph,
formulate an answer for #1-5 while
working with your partner/group.
Be sure you justify how you came
up with your answer.
EXIT TICKET
1.
2.
3.
Name 2 functions of the skin and
why those functions are important.
Where are the dermis and
epidermis located and compare and
contrast each one.
What would be a result of how our
body functions if our skin could no
longer gather information?
Homework
 Homework
slip: Pick one function of
the skin that we discussed today and
explain the importance.
 -Bring
in a nutrition label for
tomorrow’s class.