In human body, the natural anticoagulant is secreted by: a. Lymphocytes b. Neutrophils c. Monocytes d. Basophils
Option D. The type of white blood cells is concerned with the release of histamine and the natural anticoagulant heparin are Basophils. They contain granules filled with histamine, When basophils encounter allergens they release histamine. Histamine increases blood flow to damaged tissues, resulting in swelling and inflammation. Basophils also contain anticoagulant heparin, which prevents blood from clotting too quickly.
