If you are implying one these choices not needed for survival it would be parents only when you can survive on your own (I'm not that sure but I hope this helped the slightest but)
In a centrifuged sample of blood the PLATELETS should not be in the plasma portion of the sample. Centrifugation of blood samples separates the blood to its constituents on the basis of their densities. Platelets will be found on the middle region of the separation and not in the upper region where plasma is .
Answer:
True
Explanation:
It sharea all of the characteristics of a cell, including the ability to divide and make more copies of itself.
The nervous system has three main functions: To collect sensory input from the body and external environment. To process and interpret the sensory input. To respond appropriately to the sensory input.