Which statement of red blood cell (RBC) structure or function is correct?
A) In mammals and birds,RBCs continuously form from erythroblasts in the red bone marrow.
B) Mammal RBCs do not lose their nucleus when they mature.
C) Over 90% of the cell by weight is hemoglobin.
D) The completely flat shape of RBCs provides greater surface area for osmosis.
E) The average life of an RBC is several years after which its components are salvaged by the liver.
Correct Answer:
Verified
Q14: Interstitial fluid is constantly formed by
A)the lymphatic
Q15: Which of the following is correct?
A)Blood plasma-fewer
Q16: Platelets
A)are specialized red blood cells.
B)carry the blood
Q17: In multicellular animals,body fluids are divided into
Q18: Which of the following associations of blood
Q20: _ carry blood away from the heart.
A)Capillaries
B)Venules
C)Veins
D)Arteries
E)Lymph
Q21: The atrioventricular valves separate the atria from
Q22: What would happen to the breathing rate
Q23: A dung beetle journeys into a ball
Q24: The major intracellular electrolytes are potassium,magnesium,and phosphate
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