Diseases

The body's first line of defence against disease includes:

• blood clotting, inflammation, vaccine

• blood clotting, inflammation, fever, phagocytosis

• skin, cilia (hairs), tears, wax, fever

• skin, mucous, cilia (hairs), tears and wax

The main cells involved in destroying pathogens is:

• Cardiac cells

• White blood cells

• Red blood cells

• Muscle cells

Pathogens that do get into your body can trigger the second line of defence, known as the:

The white blood cells involved in the inflammatory response are called:

• Pathogens

• Phagocytes

• Lymphocytes

• Bacteria

Vaccines help reduce the risk of certain illnesses by introducing what to the immune system?

• Stronger versions of disease-causing germs

• Dead or weakened versions of disease-causing germs

Identify positive and negative impacts of quarantining people in the very early stages of an outbreak.

Tags

NGSS.HS-ETS1-3

Explain how a quarantine helps protect the rest of the population from the coronavirus.

Infection by this coronavirus usually causes mild symptoms such as:

Select all that apply.

• Dry cough

• Vomiting

• Fever

• A rash

The COVID-19 disease has spread globally so it is now classified as a:

Describe how COVID-19 can spread from one person to another: