The posterior lobe of the pituitary gland is not a true endocrine gland because

The plateau phase of cardiac action potential is due to inflow of 

Human chorionic gonadotropin (hCG), a pregnancy hormone is produced by

What has the greatest affect on peripheral resistance in blood vessels?

Why are gap junctions a vital part of the intercellular connection of cardiac muscles?

Which formed element can be described as complete cell?

“Tropin” hormones of anterior pituitary acts on other endocrine glands and stimulate them to secrete

The posterior lobe of the pituitary gland is not a true endocrine gland because

Parathyroid hormone (PTH) raises the blood calcium levels by

Cardiac muscle cells are present in the ____________ of heart wall.