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Worksheets11.1 BODY DEFENCE
Total questions: 13
Worksheet time: 7mins
1. What is the role of nasal mucus?
collect dead cells
lubricate the nasal passage
trap particles
make phlegm
What chemical is released when a foreign body penetrates the skin?
adrenaline
histamine
seratonin
interleukin
1. Bacteria that are harmful to people are called _____.
Pathogen
Phagocytes
Pathogen
Leucocyte
Where do T lymphocytes usually live?
Thyroid
Thymus
Pancreas
Parathyroid
What do phagocytes do?
make antibodies
act as memory cells
kill pathogens indiscriminately
target specific pathogens to kill
Which cells actually kill invading bacteria and viruses?
Antigens
B cells
T cells
Thrombocytes
B lymphocytes produce
Allergens
Antigens
Antibodies
All of these
How do antigens protect the body from diseases?
They produce mucus, which washes away germs.
They make white blood cells.
They alert the immune system when pathogens enter the body.
They help destroy T cells.
What are made in the thymus, spleen, bone marrow and lymph nodes?
Erythrocytes
Histocytes
Lymphocytes
Platelets
What is the name of the white blood cell that ingests micoorganisms?
Antitoxins
Platelets
Antigens
Phagocytes
Proteins that have a specific fit to a specific antigen are called
Lysosome
Antibodies
Antihistamines
Phagocytes
List 5 examples of first line of defence?
Which is the example of third line of defence?
Memory cells
Inflammation
Antibody
Phagocytosis
Lysozyme
