Diseases and Immunity

Name 4 groups of organisms that include pathogens.

Animals that help to transfer pathogens from one host to another are called _______.

__________ is the introduction of the harmless version of pathogens into our body to improve the response of our immune system.

Name 2 chemical barriers that protect us from infection.

When you keep things clean, that means you are practicing good __________.

_______ that lines the respiratory tracts contains lysozymes that kill pathogens.

Human immunodeficiency virus(HIV) causes a transmissible disease in humans. Identify the host and the pathogen.

The organism that is infected by the pathogen is called the ________.

Chemicals produced by white blood cells to attack and destroy pathogens are called the __________.

Our skin is a type of ___________ barrier that protects us from pathogens.

Diseases that can be passed from one individual to another are called ___________.

A microorganism that can potentially cause disease is called a __________.

The process in which white blood cell engulfs and surrounds the pathogen and then breaks it down is called __________.

Give one example of direct method of transmission of disease.