A 1 mm³ of blood contains 4 - 6 million of erythrocytes or red blood cells, 5 - 10 thousand leukocytes or white blood cells, and 150 - 400 thousand of platelets. Using the lower approximates of the cells to total number of cells will be 4.155 million cells in 1 cubic mm.
Percentage of red blood cells will be 4/ 4.155 = 96.27 %
Percentage of white blood cells =0.005/4.155 = 0.12 %
Percentage of the platelets = 0.15/4.155 = 3.61%
Answer:
b many ogansisms have become exinct
Explanation:
When in New York State, small farms that were <span>abandoned many years ago have become hardwood forests, this would be an example of "</span><span>(3) ecological succession"</span>
The PRIMARY MOTOR AREA is the part of the brain we use to initiate skeletal muscle movement.
The primary motor cortex, or M1, is located in the frontal lobe of the brain, along the precentral gyrus. Its primary role is to generate neural impulses that control the execution of movement.
