MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Erythrocytes account for how much of the blood’s composition?
A
45%
B
55%
C
>1%
D
99%
Explanation: 

Detailed explanation-1: -Known for their bright red color, red cells are the most abundant cell in the blood, accounting for about 40 to 45 percent of its volume.

Detailed explanation-2: -Blood is made up of both cellular and liquid components. If a sample of blood is spun in a centrifuge, the formed elements and fluid matrix of blood can be separated from each other. Blood consists of 45% red blood cells, less than 1% white blood cells and platelets, and 55% plasma.

Detailed explanation-3: -These red blood cells, also called erythrocytes, are the most common blood cell type, accounting for 40–45% of the blood’s volume. They contain hemoglobin, which is a protein that carries oxygen throughout the body.

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