Show what you know - body defenses

The purpose of the immune system is to:

• Help germs invade your body
• Fight off sickness
• Make your nose run
• Give you diarrhea

Which would most likely prevent a cold virus from spreading in a classroom?

• tissue at a teacher's desk
• students wash hands regularly with soap 
• students shake hands regularly with each other
• students wipe desks with dry paper towels

The protection of the body from the pathogens is called ..............................

• body defense

• body response

• body rejection

• body requirement

A ________ is a disease-causing organism that are so small you need a microscope to see them.

• Virus

• Disease

• Communicable

• Pathogen

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

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

All bacteria cause illness and disease.

• TRUE

• FALSE

Which of the following systems protects the body from disease?

• Digestive System
• Nervous System
• Immune System
• Skeletal System

SKIN

• Attacks germs that are in the body

• Protects the body by providing a barrier between the environment and the inside of the body

• protects the body by trapping germs before they get into the body