pH of blood is
more in arteries, less in veins
less in arteries, more in veins
same in both
not definite
Blood is oxygenated in the lungs and returns to the left atrium through the pulmonary veins. Venous blood has a lower oxygen content and pH.
The umbilical artery carries blood from the fetus to the placenta and the umbilical vein carries blood from the placenta to the fetus. Which is the correct statement regarding differences in blood composition between the umbilical artery and vein? (A) Blood in the umbilical artery contains less glucose than blood in the umbilical vein. (B) Blood in the umbilical artery contains less carbon dioxide than blood in the umbilical vein. (C) Blood in the umbilical artery contains more deoxygenated blood in the umbilical vein. (D) Blood in the umbilical artery contains less urea than blood in the umbilical vein.
Blood in the arteries flow with _______ pressure than blood in the veins. Therefore,the walls of the arteries are ________ than veins.
Blood pressure is much greater in arteries than in veins.