GRCC BI 122 Exam 1 (Answered) 129 Questions and Correct Answers| 2025/2026) 100% Verified.

GRCC BI 122 Exam 1 (Answered) 129
Questions and Correct Answers|
2025/2026) 100% Verified.
Apex

bottom of the heart

pericardial sac

surrounds the heart




epicardium

outer layer of the heart




parietal pericardium

lines the pericardial cavity




myocardium

Thick middle muscle layer of the heart

endocardium

innermost layer of muscle of the heart

right atrium

blood is dumped into it back the vena cavas
pumps blood into the right ventricle

,left atrium

blood is dumped into it by the pulmonary veins
pumps blood into the left ventricle




auricle

ear like flap over the atria to increase area




right ventricle

takes in blood from the right atrium
pumps blood to lungs via the pulmonary arteries




left ventricle

takes in blood from the left atrium
pumps blood to the body via the aorta




interatrial septum

muscular wall that separates the left and right atrium

, interventricular septum

muscular wall that separates the left and right ventricles




superior vena cava

dumps blood from the upper parts of the body into the right atrium




inferior vena cava

dumps blood from the lower parts of the body into the right atrium




pulmonary veins

takes blood from the lungs and dumps it into the left atrium




pulmonary arteries

takes blood from the right ventricle and takes it to the lungs