MI 1.1.4a Immune System & Antibodies

Without an immune system, we would have no way to fight harmful things that enter our body from the outside or harmful changes that occur inside our body.

• True

• False

Tags

NGSS.HS-LS1-3

What are antigens?

• Harmful substances that the body recognizes as its own

• Substances that the body doesn’t recognize as its own

• Cells that help in digestion

• Proteins that regulate body temperature

Which part of the immune system is innate and which part is adaptive?

• Innate: Non-specific, Adaptive: Specific

• Innate: Specific, Adaptive: Non-specific

• Innate: Adaptive, Adaptive: Non-specific

• Innate: Non-specific, Adaptive: Non-specific

What is the main job of the innate immune system?

• To fight harmful substances and germs that enter the body

• To produce antibodies

• To remember past infections

• To adapt to new bacteria and viruses

What are antibodies?

• Proteins that protect against unwanted substances

• Cells that eat harmful germs

• Molecules on the surface of antigens

• Toxins produced by bacteria

Which of the following is NOT a location where antibodies are found?

• Skin

• Lungs

• Hair

• Saliva

What is immunity?

• The body's ability to produce cells that inactivate foreign cells or substances.
• The body's ability to regulate homeostasis through feedback loops. 
• The body's ability to produce the "fight or flight" response.
• The body's ability to use the endocrine system to fight disease.

When activated B cells multiply, what do they produce?

• Plasma cells

• Antigens

• Histamines

• T lymphocytes

Which is an example of specific immunity?

• inflammation

• Sneezing

• Fever

• Memory Cells

Which cells are primarily responsible for producing antibodies?

• T cells

• B cells

• Macrophages

• Neutrophils