The Body’s Defenses :The Immune System

What is the main purpose of the immune system?

• support the body through bones and muscles
• get rid of waste from the body
• protect the body from pathogens
• move blood through the body

Tags

NGSS.MS-LS1-3

What do antibodies attach to on the pathogen?

• Anti inflammatory
• Antigens
• Antiseptic
• Antibodies

Which would most likely prevent a cold virus from spreading in a classroom?

• tissue at a teacher's desk
• students wash hands regularly with soap 
• students shake hands regularly with each other
• students wipe desks with dry paper towels

The major function of the _____________ is to identify pathogens and distinguish one kind of pathogen from another.

• B Cells

• Target Cells

• T Cells

• Red Blood Cells

Which one is a way the body defends against a pathogen?

• Fever

• Stomach Acid

• White Blood Cells

• All of the above

What are Lymphocytes?

• red blood cell

• nucleus

• white blood cell

• Bone Marrow

What do antibodies attach to on the pathogen?

• Anti inflammatory
• Antigens
• Antiseptic
• Antibodies

The picture below illustrates the inflammatory response in

the body’s immune system. What process is illustrated in the picture?

• a skin cell destroying germs.

• inflammation near an opened wound

• a white blood cell destroying pathogens

• mucus in the lungs destroying pathogens

T or F - A fever can help you fight infection.

• true

• false

Tags

NGSS.HS-LS1-3

What is known as the “First Line of Defense” in the human body?

• White blood cells, tears, T-cells

• Saliva, inflammation, Lymphocytes

• Skin, breathing passages, and mouth (saliva)) & stomach (acids)

• Mucous membranes, fever, B-cells