It uses white blood cells. The white blood cells exterminate the viruses or other harmful bacteria. Without it, even the common cold can kill us.
To keep you alive, and to keep us to be healthy.
because it hepls us fight infections
To keep us alive and keep us warm
Love Will Keep Us Alive was created in 1994-11.
Volcanoes do not keep us alive. Many thousands of people have died in volcanic eruptions.
After being sick for so long, he had a weakened immune system.
Your immune system.
Oxygen and carbon dioxide are critical for us to breath. Oxygen is the gas that keeps us alive. Increased levels of carbon dioxide is what enables us to keep breathing. When carbon dioxide increases in our system we respond by breathing.
Immune system,
the same puta thing as us!
to keep us alive
to keep us alive