MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The percentage of red blood cells in a sample of human blood is normally about
A
15%
B
30%
C
45%
D
60%
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: -Red Blood Cells, White Blood Cells and Platelets All Constitute What Part of Whole Blood? Our red blood cells, white blood cells and platelets, make up about 45% of the volume of our blood. The remaining 55% is liquid plasma.

Detailed explanation-3: -Blood is made up of 55% plasma and 45% formed elements-red blood cells, white blood cells, and platelets. Blood is fluid connective tissue that circulates throughout the body.

Detailed explanation-4: -Red blood cells, or erythrocytes, give blood its distinctive color and make up about 40-45% of blood’s volume. Red blood cells are produced in our bone marrow where they typically live for about 120 days. The red blood cell’s main function is to carry oxygen from the lungs and deliver it throughout our body.

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