Answer: Pia mater. The pia mater (Latin: tender mother) is a very delicate membrane. It is the meningeal envelope that firmly adheres to the surface of the brain and spinal cord, following all of the brain's contours
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Answer:
Bone marrow, amniotic fluid, and brain
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In the choices, I notice that liver is also a part of Adult stem cells but so are the ones I mentioned.
Adult stem cells are found in small numbers in most adult tissues. To not get confused by embryonic stem cell, adult stem cells are there to replace dead cells throughout the growing process of a human which is also called somatic stem cells but this type of cells helps with the brain, bone and fluid
Hope this helped :)
Explanation:
Your stomach might get upset early on if you have liver disease. As the disease and damage to your liver go on, raised toxin levels can make this worse. Lingering nausea or throwing up often are a sign of liver problems. If your liver is failing, you also may have blood in your vomit or poop. and plus it get really hard to digest the food as it secretes bile juice
It protects the Earth from becoming over heated, but with pollution, global warming has become more apparent because of the destruction of the ozone layer
