Immune System

What is the role of the immune system?

• To pump blood throughout the body

• To protect the body from disease-causing agents

• To contain disease-causing organisms to a single area of the body

• To give Mr. Elwonger something to test us over

What are the two groups of the immune system?

• Acquired and Innate

• Acquired and Learned

• External and internal

• Complex and simple

The innate immune system is...

• Always working and doesn't require any special preparation

• Needs to be "primed" before it can work to its full effectiveness

• Very specific and only defends against a specific pathogen

• Not very effective at preventing intruders

The acquired immune system is...

• Always working to protect the body and doesn't require special preparation

• Needs to be "primed" before it can work to its full effectiveness

• Ineffective at protecting the body

• Only gained through artificial means, such as vaccinations.

Which of these is an example of innate immunity? (TWO correct answers, pick both)

• Skin

• Antibodies

• T-Cells

• Mucus

Which of these is an example of acquired immunity? (TWO correct answers, select both)

• Macrophages

• T-Cells

• Antibodies

• Antigens

Fluid in the spaces between tissues is called...

• Lymph

• Blood

• Interstitial fluid

• Intravenous fluid

True or false: The lymphatic vessels are directly connected to the blood vessels

• True

• False

Which organ filters foreign material from the blood?

• Stomach

• Thymus gland

• Spleen

• Heart

B-lymphochytes...

• Actively destroy pathogens

• Secrete antibodies

• Act as markers for T-cells to identify foreign particles

• Create new lymph