The Immune System and Circulatory System

Which of the following is the name for a micro-organism that can cause disease?

• Pathogen

• Antibodies

• B-cells

• Lymphocyte

What attaches to antigens and tags the pathogen for destruction?

• Pathogen

• Antibodies

• B-cells

• Lymphocyte

What is the main purpose of the immune system?

• support the body through bones and muscles
• get rid of waste from the body
• protect the body from pathogens
• move blood through the body

Tags

NGSS.MS-LS1-3

Which answer best describes how infectious diseases get transmitted (passed on)?  

• people can sneeze or cough and pass disease on through the air
• drinking water can be contaminated with diseases
• objects such as doorknobs and towels can be contaminated by disease
• all of the above answers are ways that diseases are transmitted

One of the most important functions of the skin is to

• carry food to body cells.

• protect the body.

• help the body move.

• let food into the body.

The immune system fights diseases. The circulatory system pairs with the immune system because ___.

• blood is made in the bones.

• plasma carries nutrients.

• red blood cells carry oxygen.

• white blood cells fight infection.

Viruses multiply: 

• By conjungation
• By taking over a cell's functions
• By binary fission
• Both sexually and asexually

T or F - A fever can help you fight infection.

• true

• false

White blood cells are the main cells of the immune system.  Where are they produced?

• Bone marrow
• Veins & arteries
• Stomach
• None of the above

 Another name for white blood cells is:

• Blood 
• Photosyntesis
• Leukocytes
• Body