White blood cells use "legs" to grab ahold of the blood vessel walls to inch their way forward.
Potable water is water that is safe to drink
For the last question it's either C or D.
Answer:
D) Los Alamos National Laboratory
Explanation:
Hope this helps
The protective covering of the brain
that provides passageways for cerebrospinal fluid (CSF) to drain into the
superior sagittal sinus is called the arachnoid mater.
To add, the arachnoid mater is the middle
of three layers that make up the meninges, or membranes, that surround the spinal
cord and brain.
