Unit 3: Immune System & Diagnosing

the system including the thymus, spleen, lymph nodes, white blood cells and antibodies that protects the body from disease-causing substances

• digestive system

• immune system

• lymphatic system

• muscular system

Select the parts of the body that are a part of the immune system?

• Skin
• White blood cells
• Eyes
• T-cells and B-cells
• Fingers

True or false: Sneezes and coughs help your body to get rid of pathogens

• true
• false

What color blood cells fight pathogens?

• Pink
• Blue
• White
• Red

Which of the following is an example of a sickness caused by a virus?

• streph throat

• common cold

• pneumonia

prions are

• contagious segments of RNA

• the first amino acid in eukaryotic proteins

• the proteins that DNA winds around

• misfolded proteins

Tags

NGSS.MS-LS3-1

Antibiotics only work against what organisms ?

• viruses

• bacteria

• prions

Which of the following is a true statement about bacteria?

• Bacteria exist in only a few environments on earth

• Bacteria can grow to extremely large sizes

• Most bacteria are harmful to humans

• Bacteria can be both harmful and helpful to humans

Which term describes that length of time before an infected person experiences symptoms?

• Containment

• Lethality

• Incubation Time

• Vaccination Rate

Which microorganisms are always harmful?

• Bacteria

• Microbes

• Pathogens

• Viruses