Integumentary System Worksheet - Free Printable

Let’s go step by step to solve this worksheet.

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Question 1: List the five functions of the integumentary system

The integumentary system includes your skin, hair, nails, and glands. Its main jobs are:

A. Protection – Keeps out germs, chemicals, and physical damage.
B. Temperature regulation – Helps you cool down (sweating) or stay warm (blood flow changes).
C. Sensation – Lets you feel touch, pain, heat, and pressure through nerve endings.
D. Excretion – Gets rid of small amounts of waste like salt and urea through sweat.
E. Vitamin D synthesis – Makes vitamin D when exposed to sunlight — important for bones.

*(Note: Some sources list “absorption” or “immunity,” but these 5 are most commonly taught at school level.)*

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Question 2: Match the skin structure to its tissue type

We’re matching:
- A. Epidermis
- B. Dermis
- C. Subcutaneous

With tissue types I–VIII.

Let’s think about each layer:

→ Epidermis: This is the outermost layer of skin. It’s made of epithelial tissue that’s layered and tough to protect us. That’s stratified squamous epithelium → matches IV.

→ Dermis: Middle layer. Has blood vessels, nerves, hair follicles. Made mostly of connective tissue — both loose and dense. So it can match VI (Loose Connective) and VIII (Dense Connective). Also has some elastic fibers, but those aren’t listed separately.

→ Subcutaneous (also called hypodermis): Bottom layer. Mostly fat for insulation and cushioning. That’s adipose tissue → matches VII. May also have some loose connective tissue holding things together → so VI could also apply here.

So possible answers:

A. Epidermis → IV
B. Dermis → VI, VIII
C. Subcutaneous → VII, VI *(since it contains adipose AND loose connective tissue)*

*(Note: The question says “there may be more than one correct answer for each” — so we include all that fit.)*

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Question 3: Label the structures on the image

Since we can’t see the actual labels in the diagram, we’ll describe what each line likely points to based on standard skin diagrams.

Typical structures labeled in a cross-section of skin:

From top to bottom / left to right (based on common labeling):

Right side (vertical brackets):
- Top bracket → Epidermis
- Middle bracket → Dermis
- Bottom bracket → Subcutaneous layer (hypodermis)

Left side (pointers to specific parts):

Top pointer (hair sticking out) → Hair shaft

Next pointer down (inside skin, attached to hair) → Hair follicle

Pointer near surface with coiled tube → Sweat gland

Pointer below that, round structure under hair → Sebaceous (oil) gland

Pointer deeper, near base of hair → Arrector pili muscle (makes goosebumps)

Bottom pointers (in subcutaneous layer):
- One pointing to fatty blobs → Adipose tissue
- One pointing to thread-like lines → Blood vessels or nerves

Another pointer might be to sensory receptor (like Pacinian corpuscle) if shown deep in dermis/subcutaneous.

But since we don’t have exact positions, here’s the most logical labeling order assuming standard diagram layout:

Assuming the 8 blank lines are arranged as:

Right side (3 vertical brackets from top to bottom):
1. Epidermis
2. Dermis
3. Subcutaneous layer

Left side (5 pointers from top to bottom):
4. Hair shaft
5. Sweat gland
6. Sebaceous gland
7. Arrector pili muscle
8. Adipose tissue (or blood vessel — depending on position)

*If there’s a pointer to a nerve ending or sensory receptor, that would replace one.*

But without seeing exact arrow positions, we use standard teaching diagrams.

Most common labels expected:

→ Right side (layers):
Top: Epidermis
Middle: Dermis
Bottom: Subcutaneous

→ Left side (structures):
Top: Hair shaft
Then: Sweat gland
Then: Sebaceous gland
Then: Arrector pili muscle
Bottom: Adipose tissue or Blood vessel

Some diagrams label “nerve” or “capillary” too.

To cover bases, here’s safest set:

Final labeling (assuming 8 blanks total — 3 on right, 5 on left):

Right side (top to bottom):
- Epidermis
- Dermis
- Subcutaneous layer

Left side (top to bottom):
- Hair shaft
- Sweat gland
- Sebaceous gland
- Arrector pili muscle
- Adipose tissue

*(If one pointer is clearly to a blood vessel, swap adipose for blood vessel — but adipose is more commonly labeled in subcutaneous area.)*

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Now, compiling final answers cleanly.

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Final Answer:

1. Five functions of the integumentary system:

A. Protection
B. Temperature regulation
C. Sensation
D. Excretion
E. Vitamin D synthesis

2. Match skin structure to tissue type:

A. Epidermis → IV
B. Dermis → VI, VIII
C. Subcutaneous → VII, VI

3. Label the structures (standard diagram assumption):

Right side (top to bottom):
- Epidermis
- Dermis
- Subcutaneous layer

Left side (top to bottom):
- Hair shaft
- Sweat gland
- Sebaceous gland
- Arrector pili muscle
- Adipose tissue

*(Note: If your diagram shows different arrows, adjust accordingly — e.g., if an arrow points to a blood vessel instead of adipose, write “blood vessel.” But above is typical for school worksheets.)*