Cells that ingest pathogens are

• plasma cells
• phagocytic cells
• helper T cells
• antibodies

Anything that triggers an immune response is a/n

• lymph cell
• antigen
• antibody
• neutrop

First recognizes foreign body and eats it and displays it to the other cells

• Macrophage
• T Cells
• B Cells

Which is an example of passive immunity?

• You have been infected
• You have been vaccinated
• You made antibodies
• You got your mother's antibodies

What do memory cells do?

• Kills the virus
• Eats the virus
• Patrol the area and make the immune system work faster next time.
• Makes antibodies

What is the first barrier against disease?

• White blood cells
• Red blood cells
• the skin
• leucocytes 

The response to an infection. Causes the area to redden, swell, and feel warm.

• Fever

• Mucus

• Dilation

• Inflammation

Chemical that causes the blood vessels around the infection to dilate (expand) so that more blood can flow to the infection (found in the inflammatory response)

• Stomach acid

• Mucus

• Epithelial cells

• Histamines

Tags

NGSS.HS-LS1-3

Which is NOT considered FIRST line of defense?

• Helper T-Cells

• Skin

• Sweat

• Mucous Membranes

What are the two types of immune systems?

• Acquired & Adaptive
• Innate & Acquired
• Innate & Autoimmune
• Red & White Blood Cells