Definition of sociopolitical. : of, relating to, or involving a combination of social and political factors.
Beta-1 receptors are found in the heart, and when stimulated will increase herat rate and cardiac contractility. Beta-2 receptors are found on vascular smooth muscle located in the heart and skeletal muscle, and when they are activated, they dilate and decrease SVR.
Receptors respond to stimuli (stretching of the organ, osmolarity and pH of the contents, and the presence of substrates and end products of digestion) When stimulated, receptors initiate reflexes activate or inhibit glands that secrete digestive juices into the lumen or hormones into the blood.