5 Questions
Name the three types of blood vessels and their functions.
Arteries carry blood away from the heart and are oxygen-rich, except for pulmonary circulation and umbilical vessels of the fetus. Capillaries directly serve cellular needs by having direct contact with tissue cells. Veins carry blood toward the heart and are oxygen-poor, except for pulmonary circulation and umbilical vessels of the fetus.
What is the function of lymphatic vessels?
Lymphatic vessels form a non-closed looped system that starts at the blood capillaries and ends at the major cardiovascular veins. They carry lymph, which is not exactly blood.
How many layers does the wall of blood vessels have and what are they?
The walls of all vessels, except capillaries, have three layers. These layers are the tunica intima, tunica media, and tunica externa.
What is the lumen of a blood vessel?
The lumen refers to the central blood-containing space within a blood vessel.
Which type of blood vessel has direct contact with tissue cells?
Capillaries have direct contact with tissue cells and directly serve their cellular needs.
Test your knowledge on blood vessel structure and function in this quiz. Learn about the different types of blood vessels, their relationship with the lymphatic system, and their role in circulating blood throughout the body.
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