Author Question: Identical twins are usually but not always the same sex. Indicate whether the statement is true ... (Read 123 times)

xroflmao · **on:** Jun 25, 2018

Identical twins are usually but not always the same sex.

Indicate whether the statement is true or false

Question 2

Why does cyanosis occur?

A. Necrosis occurs in the skin and mucous membranes due to inadequate blood flow.
B. Inadequate oxygenation of the blood causes skin and mucous membranes to become bluish in color.
C. Passage of the clot through the bloodstream restricts localized flow of red blood cells.
D. None of the above.