The video explains the pharmacology related to blood pressure in a efficient way. If you want to learn blood pressure controlling pharmacology you can watch this video. TIMELINE: 0:00 Objective 0:11 Blood pressure 0:59 Factors affecting blood pressure 1:01 Cardiac output affecting blood pressure 1:18 Blood volume affecting blood pressure 1:27 Resistance affecting blood pressure 1:57 Blood viscosity affecting blood pressure