Mark the term each clue names

Exercise and reference answers

Clues and terms

1. Clue

   Proteins secreted by virus-infected cells that shield neighbouring healthy cells

   Item

   Interferons

2. Clue

   The antibody class raised against allergens such as dust mites and pollen

   Item

   IgE

3. Clue

   Yellowish first milk rich in IgA that hands a newborn ready-made antibodies

   Item

   Colostrum

4. Clue

   Released with serotonin from mast cells, bringing sneezing and watery eyes

   Item

   Histamine

5. Clue

   Lobed organ beneath the breastbone that shrinks to a tiny size by puberty

   Item

   Thymus

6. Clue

   Large bean-shaped blood filter that also holds a big reservoir of erythrocytes

   Item

   Spleen

7. Clue

   Lymphoid tissue in the tract linings, about half of all lymphoid tissue

   Item

   MALT

8. Clue

   Tumor cells ride the blood to distant sites and start fresh tumors there

   Item

   Metastasis

9. Clue

   Toxic substance freed when red blood cells burst, bringing on chill and fever

   Item

   Haemozoin

Instructions

Read each clue and tap the one cell on the 3x3 board that it describes.

Explanation