Disease and Immunity

Disease causing agents such as bacteria and viruses are called _______________.

• pathogens

• antibodies

• villians

• particles

What is the primary function of your immune system?

• to create organelles

• to protect your body from pathogens

• to aid in blood circulation

• to protect your bones and muscles

First line defenses include

• skin

• hair

• mucus

• all of the above

Skin protects a person from pathogens by _______________.

• being thin and easy to allow things through

• shedding occasionally

• serving as a protective layer that keeps foreign objects out

• allowing bacteria to enter if it is healthy

Which parts of the respiratory system keep pathogens from reaching the inside of your body? (select all that apply)

• nose hair

• lungs

• mucus

• blood

Select 3 ways that your digestive system works to protect you from pathogens that have entered your body on food?

• by using stomach acids to neutralize the pathogen

• causing you to vomit

• causing you to have diarrhea

• causing you to burp

What is the best definition of antibodies?

• antibiotics that help you when you are sick

• organs that create pathogens

• pathogens that enter the bloodstream

• proteins that attach to antigens and make them useless

All bacteria cause illness and disease.

• TRUE

• FALSE

Bacteria can harm your body and cause disease by...

• destroying cells and capturing toxins

• damaging tissue and releasing toxins

• damaging organs and ingesting cells

• causing fungus and viruses to grow

Tags

NGSS.MS-LS2-4

Most bacterial diseases can be treated with _______________.

• antibiotics

• carcinogens

• pathogens

• microbes