Respuesta :
Answer:
beta-1 adrenergic receptor.
Explanation:
It is also known as ADRBI. It is a beta- adrenergic receptor. It is a receptor joined by a G-protein related with the GS heterotrimetric G-protein, it is shown more in the cardiac tissue. It is found in the heart. It helps to increase the rate of heart beat and also strengthens the rate of contractions in the heart.