The second line of defense ✌️QUARTER 2

When does an infection occur?

When pathogens make it pass the first line of defense and enter the body

What is the role of the second line of defense?

To respond in a general way to any pathogens that have entered the body

What is your fevers role in the second line of defense?

A fever is an increase in core body temperature above 38°C a high temperature slows down or even kill some pathogens

What is your inflammations role in your second line of defense?

Painful, redness and swelling around the side of an infection called inflammation it happens because more blood is directed to that part of the body

What is your phagocytes role in your Third line of defense

These are white blood cells that destroy anything that they don’t recognize as part of the body they help to protect the body by engulfing and destroying pathogens

What is pus?

When dead white blood cells buildup at the side of a wound

What is Snot

Snot turns yellow when it contains large numbers of dead blood cells. This is a sign that the body is fighting a respiratory infection

What is core body temperature?

The injured cells release chemicals that signal the brain to raise the temperature of the internal organs

What is a negative feedback loop and why is it important?

A negative feedback loop is one change in a system causes another change in the opposite direction. It is important because it keeps the bodies temperature with a narrow limits if the body heats up too much this will cause organ damage or even death.