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Question
The ______ have thin and less muscular ______ and have ______ to prevent back flow of ______.
Solution
The veins have thin and less muscular thin pocket-shaped walls and have valves to prevent back flow of blood.
RELATED QUESTIONS
State the Location: Semilunar valves of the heart
State the Function: Semilunar valves of the heart
State the Function: Pulmonary artery
Multiple Choice Questions
The beating of the heart of man is heart on the left side, because:
How many times per healthy man beats?
Calculate the heart rate of a person if the cardiac output is SL, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50mL.
______ guards the opening of inferior vena cava.
Blood capillaries show the presence of ______
The correct match of blood vessel, its connection and O2 content is ____________.
Analogy:
Heart: Pericardium membrane.
Lungs: ______.
