Immunity

The immune system:

• Helps the body to defend against infectious organisms and other invaders.

• Enables us to cope with and process our emotions.

• Helps us to digest food.

• Helps people to sense their surroundings.

Match the following

• Third line of defence

• Skin, hair, chemical secretions such as mucus, saliva and tears.

• Second line of defence

• Fights all types of pathogens once they have entered the body.

• First line of defence

• Fight off specific pathogens, and remember pathogens that have previously invaded.

Label the following action that the white blood cell has taken

a

b

c

d

Pathogen

Antigen

Antibody

White blood cell

What is the primary function of the immune system?

• To attack healthy cells in the body

• To protect the body from harmful pathogens

• To promote the growth of harmful pathogens

• To cause inflammation and damage to tissues

Which is NOT part of the second line of defence?

• Histamine

• Neutrophils

• White blood cells

• Lymphocytes

Which of the following is NOT a function of white blood cells?

• Producing antibodies

• Fighting infections

• Transporting oxygen

• Regulating body temperature

The immune system acts like a security system within the body

• True

• False

What Is Immunocompromised

• - the process of providing or obtaining the food necessary for health and growth.

• – when the immune system’s defences are low, making it hard to fight of infections and diseases

• - is a complex network of cells and proteins that defends the body against infection

Which element Found in nuts and seeds (such as cashews, sunflower seeds and Brazil nuts), eggs, liver and seafood.

• Zinc

• Copper

• Selenium

• Iron

Immunity developed from an individual's own immune system.

• active immunity

• adaptive immunity

• passive immunity

• innate response