Integumentary System

ReviewBy: Jess Higgins & Shane

Murphy

Unit Target:

Explain How the Structures of the Integumentary System Serve as a Barrier Between Ourselves and the Outside Environment

Learning target: Name the 4 Main Structures of the Integumentary System. (Knowledge)

SKIN

GLANDS

NAILS

HAIR

1.________________

3.______________

2.________________

4.____________________

Name the 4 Main Structures of the Integumentary System

Learning Target: Identify the

Structures of the Skin (Skill)

DIAGRAM (Word Bank Will Be Provided)

1

2

3

4

5

6

7

Epidermis

Dermis

Subcutaneous

LayerBasem

entMembr

ane

Sweat GlandDuct

Sweat GlandHair

Follicle

WORD BANK:

DIAGRAM CONTINUED… (Word Bank Will Be Provided)

Adipose Tissue

89

1011

12

13

1415

Blood Vessels

Arrector Pili

MuscleSebaceous Gland Touch

Receptor

Hair Shaft

Sweat Gland Pores

Dermal Papilla

WORD BANK:

Lab Portion (Label Structures and Know Function)

1

2

3

4

5

6

Epidermis

Dermis

Subcutaneous Layer

Sebaceous Gland

Hair Follicle

Adipose Tissue

Lab Portion Continued… (Label Structures and Know Function)

Arrector Pili Muscle

Sweat Gland

7

8

Learning Target: Describe the characteristics of the epidermis, dermis and subcutaneous layers. (knowledge)

Choose the Best Answer:

1.)The epidermis is made of

tissue. /dense irregular) stratified squamous keratinized (

2.)Cells that are pushed away from the underlying blood supply

Lose nutrients and become keratinized / are unaffected) (

EPIDERMIS

3.)Epidermal cells get their nourishment from

which also help regulate body temperature.

/ Adipose tissue) Dermal Blood Vessels (

,

2.)

keratin / collagen) (

The protein that makes up the outer layer of human skin is .

MULTIPLE CHOICE

1.) Where are melanocytes found?

a.) Epidermis

b.) Dermis c.) Subcutaneous Layer

d.) Mrs.Cerletty’s Backyard

2.) What do they do?

a.) Regulate Temperature

b.) Carry nutrients c.) Produce Melanin

d.) Provide Structure

3.) What do stem cells in the epidermis do?

a.) Replace injured cells

b.) Replace worn out cells c.) Readily divide

d.) All of the Above

MULTIPLE CHOICE CONTINUED…

4.) Where are they found?

a.) Hair follicles

b.) The Stratum Basale c.) Sebaceous Glands

d.) Mrs.Cerletty’s Front Yard

True or False?

1.) _____

2.) _____

3.) _____

The stratum lucidum is located in the thick skin of the palms of the hands and the soles of the feet.

T

The stratum lucidum is only present there because of the large quantities of keratinized cells which allows for Increased protection.

Skin is more elastic in older people because they produce less collagen.

F

T

LESS

True or False? Continued…

4.) _____

5.) _____

MULTIPLE CHOICEHow is the epidermis anchored to the dermis?

a.) Super Glue

b.) Basement Membrane

c.) Loose Connective Tissue

d.) Dermal Papilla

If human skin was not waterproof, our bodies would lose all H2O to the surroundings and become severely dehydrated, and could possibly die.

The skin allows some organic materials to pass through, which we know because when exposed to skin, Mineral Oil was absorbed.

T

T

DERMISMatch the types of tissue that make up the dermis with their function:

1. ____ Dense Connective

3. ____ Smooth Muscle

2. ____ Cuboidal Epithelial

5. ____ Blood

4. ____ Nervous

a.) Supplies Nutrients

b.) Gives skin toughness and elasticity c.) Makes up sweat & sebaceous glands

d.) Constricts blood vessels to regulate temperature

e.) Transmits Messages

a

b

c

d

e

MULTIPLE CHOICE

1.) What structure results in fingerprint ridges?

a.) Basement Membrane

b.) Sebaceous Glands c.) Hair Follicles

d.) Dermal Papilla

2.) What type of fiber makes the dermis firm but when lost results in wrinkles?

a.) Keratin

b.) Collagen c.) Raisin Bran

d.) Fibrocartilage

SUBCUTANEOUSLAYER

MATCH THE TYPES OF TISSUE WHICH MAKE UP THE SUBCUTANEOUS LAYER WITH THEIR FUNCTION:

1. ____ Loose Connective

2. ____ Adipose

3. ____ Blood

a.) Supplies Nutrients

b.) Binds skin to underlying organs

c.) Insulates, conserving body heat

B

A

C

Learning Target:

Investigate the Role of Skin in Temperature Regulation.

(skill)

True or False?

1.) _____ F

Based on the data, there are more blood vessels in the bicep than in the cheek.

LESS

Learning Target:

Explain how the skin functions as a barrier to the outside environment.

(reasoning)

MATCHING

1.) Shane sneezed all over Frank’s arm but he didn’t get sick. _________________________2.) When caught in the rain, Mika doesn’t gain weight from the water droplets. ________________________

3.) When Andy gets overheated while rollerblading, he begins to sweat and cool down as a result. _____________________4.) Natalie is able to differentiate between rough and smooth surfaces by feeling them with her hands. _____________________________

Protective MembraneKeeps Water in Body

Regulates Body TemperatureSense Organ of Touch

FUNCTIONS OF SKIN

WORD BANK:

Learning Target:

Name the accessory organs of the skin and the function of

each.

(knowledge) 

Match the Structures of Hair with their Description

1. ____ Hair Follicle

2. ____ Hair Bulb

3. ____ Hair Shaft

a.) Area of keratinized cells above the epidermis

c.) Pouch of Epidermal cells from which each hair develops

b.) Area of actively growing epidermal cells

C

B

A

HAIR

Match the Structures of Hair with their Description

4. ____ Hair Root (Papilla)

5. ____ Melanocytes

6. ____ Arrector Pili Muscle

d.) Contraction results in short hair standing on end

f.) Determines hair color

e.) Finger-like projection ofconnective tissue

F

D

E

The Four Functions of Hair

1. ____ Warmth

2. ____ Protection

3. ____ Combats Water Loss

a.) Lightest touches/changes in temperature are felt

c.) Filaments of Keratin are surrounded by a matrix of sulfur which retains heat

b.) Prevents dehydration

4. ____ Sensory

d.) Blows to the head and sunburn are weakened, and debris is kept out of eyes, nose, and ears

C

BA

D

Choose the Best Answer1.)

glands are associated with hair.

sebaceous (

The/ mammary)

MULTIPLE CHOICE

1.) Which glands are associated with the Integumentary system?

I.) Sebaceous II.) Sweat

III.) CeruminousIV.) Mammary

GLANDS

a.) I and II

c.) II and IVd.) I,II, and III

b.) II and III

Mammary

Glands are associatedWith the ReproductiveSystem

MULTIPLE CHOICE CONTINUED…

2.) What type of tissue does not make up glands in the integumentary system?

a.) Specialized Cuboidal Epithelium

b.) Smooth Musclec.) Connective Tissue Glands

d.) Nervous

1.) Sebaceous glands secrete

CHOOSE THE BEST ANSWER:

an oily mixture of fatty material and cellular debris (sebum)

milkOR

1.) Where are sebaceous glands located?

a.) Frank’s Backpack

b.) Attached to Hair Folliclesc.) Ear Canal

d.) Pectoral Muscles

MULTIPLE CHOICE

2.) What is the function of sebaceous glands?

a.) To keep hair and skin soft, pliable, and waterproof

b.) Trapping unwanted foreign materialc.) Supply infant with nutrients

d.) Protection from bacteria

MULTIPLE CHOICE CONTINUED…

3.) Where are sweat glands located?

a.) Widespread b.) Axillary and Groin

c.) Palms of Hands and Soles of Feet d.) All of the Above

ECCRINE

APOCRINE

TRUE OR FALSE?1.___________

A ceruminous gland’s function includes cooling, excretion, and secretion to help protect the body from bacteria.

SWEAT

F

COMPARE ECCRINE AND APOCRINE GLANDSPut an “E” next to the statement if it’s

Eccrine and an “A” if it’s Apocrine

Secretes pheromones (odorous substance when frightened, upset, in pain, or aroused)_____

Secretes mainly sweat, water, urea, and waste_____

Widespread throughout body, especially palms and soles of Feet _____

Located in the Axillary and Groin regions_____A

E

AE

1.) What Do Ceruminous glands secrete?

a.) Earwax

b.) Sebum c.) Milk

d.) Wastes Such As Urea

MULTIPLE CHOICE

1.) Ceruminous glands are important becauseCHOOSE THE BEST ANSWER:

they keep the hair and skin soft, pliable, and waterproof

they trap unwanted foreign material and prevent dehydration of cells

OR

NAILS Match the Structures of a Nail with their Function

1. ____ Nail Plate

2. ____ Nail Bed

3. ____ Nail Root

a.) Contains nerves thatsense touch

c.) Protects sensitive end of finger, allows you to

pluck small objects, alsoindicator of health

b. Place where cell reproduction occurs

B

C

A

Match the Structures of a Nail with their Function

4. ____ Lunula (Little Moon)

5. ____ Cuticle (Eponychium)

6. ____ Blood Vessels

d.) Seals the matrix to thenail plate, preventinginfection

f.) Most active growingregion

e. Supply nutrients, givenails their pink color

E

F

D

CONTINUED…

WORD BANK:

Nail Plate Nail Bed

Nail Root Lunula (Little

Moon)

Cuticle (Eponychium

) Nail Matrix

1

2

3

45

6

Hyponychium

Label a Diagram of a Nail

7

TRUE OR FALSE?

1.) _________ The Nail Plate lacks color because it lacks melanin.

T

Analyze hair samples as forensic evidence. (skill)

1.) Hair shape is determined by…

a.) Size of arrector pili muscle

b.) Mrs.Cerletty c.) Shape of Hair Follicle

d.) Number of Sebaceous glands near the hair follicle

MULTIPLE CHOICE

Explain How Hair Can Be Used by a Forensic Scientist

WORD BANK:

Hairs can help forensic scientists identify a criminal by examining if the (central core of the hair)

is missing, broken, or present, noticing the color of the pigment in the (surrounds medulla), and

noticing the scales on the (outermost layer of hair).

REPLACE UNDERLINED PHRASE WITH VOCAB WORD

1

2

3

medullacortex Cuticle

Be Ready to Interpret Diagrams of Hair

WORD BANK:

medullacortex Cuticle

Hair ShaftSebaceous GlandArrector Pili Muscle

Hair RootHair Follicle

Melanin

12

3 4

5

67

8 9

Learning Target:

List actions you can take to keep your skin healthy.

(knowledge)

TRUE OR FALSE?

1.) _____

2.) _____

Eat a Well-Balanced DietT

Eat Foods Even If You Are Sensitive To ThemF

3.) _____ Try and Add as much Stress as Possible into your LifeF

4.) _____ Don’t SmokeT5.) _____ Try not to exerciseF6.) _____ Use Sun blockT

Do NOT EAT FOODS YOU ARE SENSITIVE TO

Try to Reduce Stress

Try to Exercise!

Learning Target:

Describe the events that are part of wound

healing.

(knowledge)

Choose the Best Answer:

1.)After an injury to the skin the

form a clot. /red blood cells) platelets (

2.)______While a wound is healing, epithelial tissue grows under the scab.

True or False:T

MULTIPLE CHOICE

1.) What do macrophages do at the site of an injury?

a.) Release H2O into the wound

b.) Help the Scab Form

c.) Just Stare at It

d.) Remove Debris from the Wound

1.) The degree of a burn is determined byCHOOSE THE BEST ANSWER:

Pain intensity

Depth of damageOR

PLACE IN CORRECT ORDER IN PROCESS OF WOUND HEALING

1.) _____

2.) _____

3.) _____

4.) _____

5.) _____

6.) _____

WORD BANK:

a.) Remodeling

b.) Late Inflammation

c.) Injury

d.) Coagulation

e.) Proliferation

f.) Early Inflammation

C

D

F

B

E

A

Learning Target:

Given a skin injury, determine what

procedure should be followed.

(reasoning)

PLACE STEPS TAKEN WHEN THE SKIN HAS A SERIOUS LACERATION IN ORDER

1.) _____

2.) _____

3.) _____

a.) Apply direct pressure on wound with a sterile cloth in hand, maintaining pressure until bleeding stops

c.) If bleeding hasn’t stopped after 15 min of direct pressure,

apply strong pressure at a point between the wound and the heart.

b.) After bleeding stops bind wound with a tight bandage and apply an ice pack with pressure for 10 minutes

C

A

B

STEPS

Learning Target:

Match diseases of the integumentary system with their

description.

(knowledge)

Match the Disease of the Integumentary System with its Description

1. ____ Athlete’s Foot

2. ____ Acne

3. ____ Alopecia

a.) a skin condition that consists of pimples, deeper Lumps, and plugged pores, that occur on the face, neck, chest, back, shoulders, and even the upper arms.

c.) Loss of hair from heador body (baldness)

b.) a fungal infection of the skin that causes scaling,flaking, and itch in affected areasC

B

A

Match the Disease of the Integumentary System with its Description Continued…

4. ____ Cyst

5. ____ Eczema

6. ____ Impetigo

d.) a long-term (chronic) skin disorder that involves scaly and itchy rashes

f.) a common, contagious skin infection, that usually produces Blisters or sores on the face, neck, hands, and diaper area.

e.) a closed capsule or sac-like structure, typically filled with liquid, semisolid or gaseous material

F

E

D

Match the Disease of the Integumentary System with its Description Continued…

7. ____ Keloid

8. ____ Mole

9. ____ Seborrhea

g.) A small congenital growth on the human skin, usually slightly raised and dark and sometimes hairy, especially a pigmented nevus

i.) a type of scar which, depending on its maturity, is composed mainly of either early or late collagen

h.) an inflammatory skin disorder affecting the scalp, face, and torso. Presents itself with scaly, flaky, itchy, and red skin

H

I

G

Match the Disease of the Integumentary System with its Description Continued…

10. ____ Ulcer

11. ____ Wart

j.) Area of keratinized cells above the epidermis

k.) a small, rough growth, typically on a human’s hands or feet but often other locations, that can resemble a solid blister. They are caused by a viral infection.

K

J

Learning Target:

Identify the external features of a rat.

(knowledge)

Cranial Region

WORD BANK:

Cervical

Region

Pectoral

Region

Thoracic

Region

Abdomen

Pelvic Region

Divisions of the Body

1

2

3

4

5

6

CERVICAL REGION

WORD BANK:NostrilsIncisors

MolarsVibriss

ae

Pupil Nicitating

Membrane

Eyelids

Pinna

Auditory

Meatus

1

23

45

67

8 9

Pectoral and Pelvic Regions

Plantar Tubercl

es

Pelvic Region (FEMALE)

Vaginal Orifice

UrinaryOrificeANUS

WORD BANK:

1

2

3

Pelvic Region (MALE)

UROGENITAL

OPENING

SCROTUM

-Anus is

located between the scrotum and the tailWORD BANK:

1

2

• SKIN SLIDES

• RAT ANATOMY

LAB PORTION

GOOD LUCK, WE KNOW YOU’LL

IT!

NAIL