Integumentary System

By: Jermaine Phua

Functions and Parts

  • Consists of:
    • Skin
    • Hair
    • Nails
    • Glands
  • Main Function:
    • Act as barrier to protect the body
  • Other important functions:
    • Protects internal living tissues and organs in the body
    • Protects against invasion of infectious organisms
    • Prevents dehydration
    • Protects the body from abrupt changes in temperature
    • Helps dispose waste materials
    • Receptor for touch, pressure, pain, heat, and cold
    • Stores water and fat

How They Help The Other Systems

Helps Immune System
  • Integumentary System is the first defense of the immune system.
  • Glands of the skin secrete oil to enhance the barrier of the skin.

Helps Digestive System
  • Synthesizes and absorbs vitamin D
  • Digestion of fat and oils are used to make oils to protect the skin

Helps Circulatory System
  • Works with surface capillaries as substances can enter bloodstream through the skin, like medication patches

Helps Nervous System
  • Our skin is important in our sense, touch.
  • Nervous system depends on the neurons on our skin.

Fun Facts

  1. Every square inch of our skin has about 19 million skin cells

  2. You have a new layer of skin every month
  3. You have around 120,000 hairs on your head
  4. Your eyelids have the thinnest skin

Career Choices For Integumentary System


Careers in Integumentary System
  1. Dermatologist-Specializes in treatments for skin, hair and nails.

College Degrees Needed
  1. Medical degree and completed internship
  2. 3 years special medical training
  3. Some specify in certain areas of dermatology, like the hair skin and nails.

Colleges You Can Attend Locally
  1. Baylor College of Medicine
  2. Texas A&M
  3. Texas Tech
  4. University of Texas Health Science Center San Antonio

What do Dermatologist Do On a Normal Basis
  1. They help check and treat skin cancer
  2. They are researching ways to treat skin cancer
  3. They prescribe medication for acne

Skills Needed To Be Successful In This Career
  1. Good communication while giving advice and talking to patients
  2. Emotional stability
  3. Stamina to withstand long and hard medical training
  4. Good eyesight

Most Important Skill
I think the most important skill is good communication skills with patients so patient will listen to your advice and follow it.

Annual Pay For Dermatologist
  1. $206,400-$309,200



  • Skin disease that itches and causes rashes

  • People with this disease has dry and damaged skin

  • Scaling: Skin areas may become rough, dry, and flaky

  • Abrasion: Constant scratching, causing skin to break

  • Oozing:The skin can hold extra fluids so fluids can leak through the skin

Skin Cancer (Specifically Melona)

  • Growth of abnormal skin cells that can invade and destroy other skin cells

  • Overexposure to ultraviolet radiation can cause skin cancer

  • Melanoma is a type of skin cancer

  • Begins in the melanocytes, which produces melanin and protects the deepest layers from harmful things of the sun.

  • It is curable at early stages


  • Acne is marked by face, chest and back

  • One of the most common skin disease

  • Hormones causes glands to releases excessive amount of sebum into hair follicles

  • When they combine with dead, sticky skin cells, they block the follicle.

  • Bacteria invades and when the follicles burst, a pimple forms.