Ch. 4: Med Term Skin Video Lesson

What is the largest organ in your body?

• skin

• liver

• bones

• muscles

Which is part is not found in the integumentary system?

• hair

• bones

• nails

• nerves

What type of cells are Merkel cells?

• pressure sensing cells

• immune defense cells

• sweat producing cells

• pain sensing cells

What are the cells of the epidermis called?

• keratinocytes

• osteocytes

• lymphocytes

• erythrocytes

What is the protein found in the cells of the epidermis?

• collagen

• fibrin

• elastin

• keratin

How can the blood vessels alter the temperature of the body?

• 
  

  blood vessel constriction releases heat, blood vessel expansion retains heat

• 
  

  blood vessel expansion releases heat, blood vessel constriction retains heat 

• 
  

  blood vessels stimulate the sweat glands 

• blood vessels stimulate the sebaceous glands to produce sebum

What is the purpose of the arrector pili muscles?

• 
  

  to lay the hair flat against the skin

• to cause glands to release sweat

• to cause the hair to stand up and trap heat

• 
  

  to create sebum