Which of the following blood vessels generally carry oxygenated blood?
a) veins
b) arteries
c) capillaries
d) all of these
Which of the following artery carry deoxygenated blood?
a) pulmonary artery
b) renal artery
c) femoral artery
d) aorta
Arteries branch off into tiny microscopic vessels called……
a) veins
b) venules
c) capillaries
d) all of these
Explanation:Capillaries are delicate blood vessels that exist throughout your body. They transport blood, nutrients and oxygen to cells in your organs and body systems. Capillaries are the smallest blood vessels in your vascular system.
Which of the following vessels are so narrow that RBCs flow through them in a single line?
a) veins
b) arterioles
c) capillaries
d) venules
Which of the following blood vessels walls are single cell thick?
a) veins
b) arterioles
c) capillaries
d) venules
Capillaries join to form smallest ……….
a) veins
b) arterioles
c) capillaries
d) all of these
Explanation:Veins are blood vessels located
throughout your body that collect oxygen-poor blood and return it to your
heart. Veins are part of your circulatory system. They work together with other
blood vessels and your heart to keep your blood moving. Veins hold most of the
blood in your body.