The answer is; Varicosities are recognized by the enlargement of the veins. Superficial veins are most likely involved because they have little support from surrounding tissues. The veins have become tortuous and dilated because of incompetent valves that allow the blood to pool, stretching the vein walls. The likely cause in this patient's case is her pregnancies, because the enlarged uterus exerts download pressure on groin vessels, restricting return blood flow to the heart.
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F1 stands for first filial (daughter) generation
<span>F2 stands for second filial (daughter) generation</span>
On the phase diagram, conditions of pressure and temperature, at which two phases coexist in equilibrium are separated by a line.
Answer:
echolocation
it sends waves for them to see around them.
Explanation:
