Immune System Review

The circulatory system is made up of …

The circulatory system is made up of …. the heart, blood vessels, and blood

The purpose of the circulatory system is to…

deliver oxygen rich blood throughout the body.

What does blood return to the lungs?

oxygen

What is blood made of?

Blood cells (red and white) Platelets Plasma

What is the purpose of red blood cells?

To delivery oxygen throughout the body

What is the purpose of white blood cells?

To fight disease

How do arteries clog?

Fat sticks to the walls

What is a stroke?

When an artery leading to the brain is clogged

What is a heart attack?

When an artery leading to the heart is clogged

What activates the immune system?

Bacteria or viruses enter the body

What are chemical markers on bacteria or viruses called?

antigens

What is lymph?

A fluid that delivers white blood cells around the body

Where are white blood cells created?

Bone marrow

What is the difference between communicable diseases and non- communicable diseases?

Non-communicable diseases can not be spread and communicable diseases can

How do you get non-communicable diseases?

You can be born with them You can get them by engaging in risky behaviors like smoking or staying in the sun for too long without sunscreen

What is an antibiotic?

A drug that slows or destroys bacteria

Are antibiotics for bacterial or viral infections?

bacterial

What is a vaccine?

A procedure that introduces a small amount of a virus to the body to help train your body to fight that virus

Who discovered penicillin?

Alexander Flemming

How are most vaccines given?

By shot