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The Immune System Worksheet

A Grade 7 science worksheet covering the basics of the human immune system, its components, and functions.

Grade 7 Science BiologyThe Immune System
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank

Standards

NGSS.MS-LS1-3

Topics

ScienceBiologyImmune SystemGrade 7
7 sections · Free to use · Printable
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The Immune System

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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of the human immune system.

1. Which of the following is NOT considered a first line of defense against pathogens?

a

Skin

b

Mucus

c

Antibodies

d

Stomach acid

2. What type of cells are responsible for producing antibodies?

a

Red blood cells

b

Platelets

c

B cells

d

Nerve cells

3. The body's ability to resist disease is called  .

4. White blood cells that engulf and digest pathogens are called  .

5. A substance that triggers an immune response is known as an  .

6. Vaccines work by introducing weakened or dead pathogens into the body to stimulate an immune response.

T

True

F

False

7. The spleen is an organ that plays a role in filtering blood and storing white blood cells.

T

True

F

False

8. Describe the difference between innate immunity and adaptive immunity.

9. Explain the role of fever in the immune response.

Use the words below to complete the sentences.

lymphocytes
pathogens
inflammation
antigens

10. Bacteria, viruses, and fungi that can cause disease are called  .

11. The swelling, redness, and pain at an infection site is a sign of  .

12. T cells and B cells are types of white blood cells known as  .