veins
blood vessels that carry blood back to the heart
arteries
blood vessels that carry blood away from the heart
systemic circulation
the path of blood from the left ventricle of the heart to the body cells and back to the right atrium
capillaries
the exchange vessels
arterioles
the resistance vessels
venules
tiny veins that drain the capillaries and converge to form larger veins
pulmonary circulation
the path of blood from the right ventricle of the heart to the lungs and back to the left atrium
tunica media
blood vessel layer that is composed of smooth muscle
circle of Willis
an arrangement of arteries at the base of the brain
aorta
large artery that is classified as ascending, arch, and descending
common iliac arteries
the distal abdominal aorta bifurcates (splits) into the right and left
renal
the artery that supplies the kidney
coronary arteries
branches of the ascending aorta that supply the myocardium of the heart
dorsalis pedis
artery located in the ankle area
superior vena cava
the large vein that drains the head, shoulders, and upper extremities and empties blood into the right atrium
great saphenous
the longest vein in the body; it is located in the lower extremities
hepatic
carries venous blood from the liver to the inferior vena cava
subclavian
the vein that receives blood from the axillary vein and the external jugular vein
jugular
the main vein that drains the brain
inferior vena cava
the common iliac vein empties its blood into this large vein
femoral
large deep vein in the thigh that enters the pelvis as the external iliac vein
median cubital
arm vein commonly used to administer IV fluids? draw a sample of blood
renal
drains the kidney
portal
formed by the merger of the superior mesenteric vein and the splenic vein
placenta
place for the maternal-fetal exchange of nutrients, gases, and waste
ductus arteriosus
a short tube that connects the fetal pulmonary artery with the aorta, foramen
ovale
the hole between the right and left atria in the fetal heart
ductus venosus
the fetal structure that allows most of the blood to bypass the liver and to flow from the umbilical vein to the vena cava
umbilical cord
baby's lifeline, contains one umbilical vein and two umbilical arteries
The umbilical vein carries
oxygenated blood from the placenta to the fetus
What happens at the ductus arteriosus?
blood bypasses the fetal lungs by flowing from the pulmonary artery to the aorta
Which part of the aorta is located in the abdominal cavity?
descending aorta
The iliac, femoral, and popliteal arteries
nourish the lower extremities.
Arterioles act as resistance vessels because they
have a lot of smooth muscle.
Which of the following veins carries oxygen-rich blood?
umbilical
Arterioles spend most of their time
contracting and relaxing.
The vertebral and carotid arteries
deliver oxygenated blood to the brain.
The renal artery
branches off the abdominal aorta
The pulse is usually "taken" over the ________ artery
radial
Most of the blood is stored within the
veins
The vertebral arteries
merge to form the basilar artery
Which of the following contains valves
femoral vein