Answer: They cannot bend or move easily, they are not flexible as normal cells and they can block the blood flow.
Explanation:
Sickle cell or sickle cell disorder( SCD) is a group of red blood cell disorders that are inherited and they cannot bend or move easily in a human body.
A Normal cell is round-shaped and normal cells can move through blood vessels. they are carrying oxygen to all parts of the human body and sickle-shaped cells cannot do that. A Sickle-shaped cell can block that blood flow and it can cause many problems and diseases in the human body.
Mine is 96.7, but I run a little cold.
The correct answer is B. Brown eyes are dominant. Each parent has a brown gene and a blue gene. Their child got the blue gene from each parent and has two blue genes which is the only way recessive genes are phenotypically expressed.
The statement about bipolar disorder which is true would be that periods of depression usually last longer than do periods of mania - b. This, however, is dependant on the person and whether/how he has been diagnosed and in which time of lie as it may vary.