11.1: Anatomy of the Heart Crossword

The two valves situated between the atria and the ventricles that allows blood to flow from the atria into the ventricles.
The left atrium receives the oxygenated blood from the lungs, and the left ventricle then pumps the blood through the ______ to the body.
The middle layer of the heart, this wall makes up about two-thirds of the heart muscle.
The innermost layer wall of the heart lines the interior of the heart chambers and covers the valves of the heart; helps blood move smoothly throughout the heart.
The outermost layer of the heart, it is also the innermost layer of the pericardial sac.
Each cardiac cycle also includes a period of contraction called ______ when the chambers are pumping blood out of the heart.
The blood pressure number or the bottom number indicates the pressure in the arteries when the heart rests between beats.
Largest vein in the human body that returns deoxygenated blood to the right atrium of the heart from body regions below the diaphragm.
The expansion in the diameter of blood vessels that increases blood flow.
The decrease in the diameter of blood vessels that decreases blood flow.
The amount of blood pumped from the heart per beat.