This document outlines two lectures on basic pharmacology related to the blood module. The first lecture discusses eicosanoids, including their major classes, synthesis pathways, inhibitors, functions in different body systems, and clinical uses. The second lecture covers coagulants and anticoagulants, reviewing hemostasis and coagulation pathways, the role of vitamin K, classifications of anticoagulant drugs, details of heparin preparations, and indications for oral anticoagulants like warfarin.