Multiple choice

Which of the following group of cells secrete histamines, heparin and serotonin?

  1. Macrophages

  2. Plasma

  3. Mast cells

  4. Fibroblasts

  5. Lymphocytes

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

These cells are found near blood vessels and nerves and produce histamines, heparin and serotonin.