Ch. 7.8 Circulatory System Key Terms
heart valve
mitrial valve
abnormal heart rhythms
Arrhythmias
fragments of cells
Thrombocytes
heart valve
tricuspid valve
sac
Pericardium
transports blood vessels
circulatory system
fluid part of the blood
Plasma
white blood cells
Leukocytes
red blood cells
Erythrocytes
a complex protein compound
Hemoglobin
receives oxygenated blood from the lungs
left atrium
pumps the blood into the aorta
left ventricle
the period of ventricular relaxation
Diastole
the smallest branches of arteries
Capillaries
muscular layer of the heart
Myocardium
prevents blood from flowing back into the left ventricle
atoric valve
preventing blood from flowing back into the right ventricle
pulmonary valve
receives blood as it returns from the body cells
right atrium
a muscular wall that separates the heart into a right side and a left side.
Septum
lower chamber in the right side of the heart
right ventricle
fluid that flows through the circulatory system
Blood
period of ventricular contraction
Systole
Blood vessels that carry blood back to the heart
veins
blood vessels that carry blood away from the heart
Arteries
smooth layer of cells that lines the inside of the heart
Endocardium