TS EAMCET Medical 31 Jul 2022 Shift 2 Paper

Study the following and pick up the correct statements.
I) Hepatic portal vein carries blood from liver to the heart.
II) Normal activities of the heart are regulated, intrinsically by specialised muscles.
III) Angina pectoris is a warning signal of deprivation of blood supply to the heart muscles.
IV) Systemic circulation is also called lesser circulation.