Integumentary System Review

This is the 3rd layer of the epidermis: stratum ___________

• Spinosium

• Corneum

• Granulosum

• Basal layer

Which skin layer is composed of dead cells? (select 2)

• stratum corneum

  
  

• stratum lucidum

  
  

• stratum spinosum

  
  

• stratum basale

  
  

• stratum granulosum

  
  

What cell produces a protein allows for waterproofing of the skin, nails, and hair?

• Keratinocytes

• Melanocytes

• Merkel (Tactile) Cells

  
  

• Langerhans (Dendritic) cell

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In the picture, what layer of the epidermis is indicated by the red star?

• Stratum Lucidum

• Stratum Granulosum

• Stratum Basale

• Stratum Spinosum

Tags

NGSS.MS-LS1-3

the outermost layer of the epidermis; 20-30 cell layers thick; cells are dead skin protection

• stratum basale

• stratum corneum
• stratum granulosum

• dermis

thin and transparent of the epidermis, clear layer; found only in thick skin

• stratum lucidum
• stratum corneum
• stratum granulosum
• stratum spinosum

the cells are macrophages in the epidermis that help activate our immune system

• Merkle cells

• melanocytes

• keratinocytes
• Langerhans cells

Tags

NGSS.MS-LS1-3

These cells function as sensory receptors for touch in the epidermis

• Keratinocytes
• Melanocytes
• Langerhans cells
• Merkel cells

Tags

NGSS.MS-LS1-8

These cells give the epidermis its protective properties

• Merkel Cells

• keratinocytes
• Langerhans Cells

• melanocytes

 The skin is the thickest on the ___.

• lips                   
• elbows             
• eyelids
• palms and soles