Ch. 7.8 Circulatory System
aortic valve
the largest artery in the body.
circulatory system
called a tissue because it contains many kinds of cells.
left atrium
receives oxygenated blood from the lungs.
pericardium
a double-layered membrane, or sac, that covers the outside of the heart.
septum
a muscular wall that separates the heart into a right side and a left side.
arrhythmias
If something interferes with the normal electrical conduction pattern of the heart
diastole
The cycle consists of a brief period of rest
left ventricle
receives blood from the left atrium and pumps the blood into the aorta for transport to the body cells.
plasma
pulmonary valve right atrium right ventricle septum
thrombocytes
are usually described as fragments or pieces of cells because they lack nuclei and vary in shape and size.
arteries
carry blood away from the heart. The aorta is the largest artery in the body
endocardium
a smooth layer of cells that lines the inside of the heart and is continuous with the inside of blood vessels.
leukocytes
white blood cells
pulmonary valve
located between the right ventricle and the pulmonary artery, a blood vessel that carries blood to the lungs.
tricuspid valve
located between the right atrium and the right ventricle.
blood
pumped from the heart to the aorta and arterial blood vessels and then moves into capillaries.
erythrocytes
red blood cells
mitral valve
located between the left atrium and left ventricle.
right atrium
receives blood as it returns from the body cells.
veins
are blood vessels that carry blood back to the heart.
capillaries
connect arterioles with venules, the smallest veins.
hemoglobin
a complex protein composed of the protein molecule called globin and the iron compound called heme
myocardium
The thickest layer
right ventricle
receives blood from the right atrium and pumps the blood into the pulmonary artery, which carries the blood to the lungs for oxygen