objective: i will describe the structure and function of the three layers of skin
DESCRIPTION
Unit 3: The Skinny on Skin—Integumentary System. 3.2. Aim: What are the three layers of the skin and what are they good for?. AGENDA. Do Now. Introduction. Mini-Lesson. Summary. Work Period. Exit Slip. Objective: - PowerPoint PPT PresentationTRANSCRIPT
Objective:I will describe the structure and
function of the three layers of skin.
Aim: What are the three layers of the skin and what are they good
for?
Unit 3: The Skinny on Skin—Integumentary System
3.2AGENDA
IntroductionMini-LessonSummary
Work PeriodExit Slip
Do Now
QUIZ: (You have 10-15 minutes)
Real-world connection
tatoos
VocabularyEpidermis, dermis,
hypodermis, subcutaneous layer
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?AGENDA
IntroductionMini-LessonSummary
Work PeriodExit Slip
Do Now
AnnouncementsThanksgiving Break Project—Due Friday 12/6/13: Create/Make up your own patient file based on accurate information from an abnormal/weird disease.
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?AGENDA
IntroductionMini-LessonSummary
Work PeriodExit Slip
Do Now
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
Think ink…Pair share
Why is it that when you get a
small scratch, you do not bleed, but when you get a
deep scratch, you bleed?
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
Parts of the skin
The skin is made of three layers:1. Epidermis
a. Upper epidermisb. Lower epidermis
2. Dermis3. Hypodermis (subcutaneous layer)
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
epidermis
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
epidermisStructure:
Epidermis
Made up of
Living cells & dead cells
Function
Protect tissue and organs underneath from damage
Prefix/Suffix
Epi = ____________Dermis = _________
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
Upper epidermisStructure:
Upper Epidermis
Made up of
Dead flattened skin cells; keratin
Function
protects the living cells underneath from bacteria, heat and chemicals.
Prefix/Suffix
Epi = outerDermis = skin(Upper epidermis = outer outer skin)
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
lower epidermisStructure:
Lower Epidermis
Made up of
Living cells; melanin
Function
(1) To replace the dead cells in upper epidermis
(2) Protect skin from sun damage
Prefix/Suffix
Epi = outerDermis = skin(Lower epidermis = lower outer skin)
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
dermis
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
dermisStructure:
Dermis
Made up of
Collagen & elastic fibers
Function(1) Support epidermis(2) Hold organs like blood
vessels, nerves endings, hair follicles and oil and sweat glands.
Prefix/Suffix
Dermis = ________
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
Hypodermis(Subcutaneous
layer)
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Mini-Lesson
Summary Work Period
Exit SlipDo Now Introduction
hypodermisStructure:
Hypodermis (subcutaneous layer)
Made up of
Adipose (fat) tissue
Function
Stores fat
Prefix/Suffix
Hypo = ___________sub = _____________Cutaneous = of the skin
Work periodThe functions of the skin include all of these except _____________.1) taking in nutrients2) preventing the entry of microorganisms3) Slowing down water loss4) regulating body temperature
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Work Period
Exit SlipMini-Lesson
SummaryIntroduction
Do Now
Work periodAdipose tissue is most abundant in the ________________ layer under the skin. A) epidermal B) dermal C) subcutaneous D) transdermal
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Work Period
Exit SlipMini-Lesson
SummaryIntroduction
Do Now
summary: Lines of learning (LOL)
In a well-written paragraph compare and contrast the three major layers of
the skin, noting at least two similarities and two differences.
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Work Period
Exit SlipMini-Lesson
SummaryIntroduction
Do Now
work periodFinish page 6
Read pages 7-9 about how tatoos work. You must make text annotations! Complete questions on page 10.
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Work Period
Exit SlipMini-Lesson
SummaryIntroduction
Do Now
HOMEWORK:
Finish pages for 3.2 for homework
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Work Period
Exit SlipMini-Lesson
SummaryIntroduction
Do Now
Exit SlipMake sure you get your trackers
checked!
Unit 3: The Skinny on Skin—Integumentary System
3.2 Aim: What are the three layers of the skin and what are they good
for?
Exit SlipMini-Lesson
SummaryIntroduction
Do Now Work Period