Grade-5 Science Topic-Diseases

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

• pathogens

• antibodies

• villains

• 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 _____________.

• allowing bacteria to enter if it is healthy

• being thin and easy to allow things through

• shedding occasionally

• absorbing all pathogens

• serving as a protective layer that keeps foreign objects out

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

All bacteria cause illness and disease.

• True

• False

A living cell that a virus infects is called a _______ cell.

• host

• guest

• carrier

• vector

What is a preparation of dead or weakened pathogens that is introduced into the body to cause an immune response?

• fungi

• vaccine

• antigens

What is any condition that interferes with the normal or proper functioning of the body or mind?

• disease

• antibiotics

• immunity